Tools Directory
Browse our complete catalog of 410 free utilities. Search by keyword or filter by category to find the right tool for your task.
Available Tools List
Mortgage Calculator
Calculate monthly mortgage payments (PITI) including principal, interest, property taxes, and home insurance.
Word Counter
Count words, characters (with and without spaces), sentences, paragraphs, and reading time in real-time.
PDF Merger
Merge multiple PDF files into a single consolidated document in any order.
Image Compressor
Compress JPG, PNG, and WebP images to drastically reduce file size while maintaining visual clarity.
JSON Formatter
Beautify, indent, format, and inspect JSON payloads with collapsible tree view and error highlighting.
Password Generator
Generate strong, cryptographically secure passwords and passphrases with custom rules.
QR Code Generator
Generate customizable high-resolution QR codes for websites, text, Wi-Fi networks, and contacts.
Invoice Generator
Create professional, branded PDF invoices with custom line items, tax rates, payment terms, and client information.
GPA Calculator
Calculate cumulative and semester Grade Point Average (GPA) on the standard 4.0 US scale.
Percentage Calculator
Calculate percentages, percentage increase or decrease, and find what percent one number is of another.
BMI Calculator
Calculate Body Mass Index (BMI) using US Customary (lbs, ft/in) or Metric units with CDC classification ranges.
PDF to JPG Converter
Convert PDF document pages into high-resolution JPG images directly in your browser.
Image Resizer
Resize images by exact pixel width and height, or scale by percentage with locked aspect ratio.
Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and flag toggles (g, i, m, s, u).
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect Header, Payload claims, expiration time, and signature format.
Temperature Converter
Convert temperatures between Fahrenheit (°F), Celsius (°C), and Kelvin (K).
SERP Snippet Preview Tool
Preview how your webpage appears on Google Search results on desktop and mobile smartphones.
Final Grade Calculator
Calculate the minimum score you need on your final exam to achieve your desired target course grade.
Pomodoro Timer
Interactive Pomodoro focus timer with 25-minute study intervals, 5-minute short breaks, and 15-minute long breaks.
YouTube Thumbnail Resizer
Resize, crop, and optimize thumbnails to YouTube recommended specifications: 1280x720 pixels (16:9 ratio) under 2MB.
Tip Calculator
Calculate restaurant tips, service gratuity, and split the bill evenly between multiple guests.
Age Calculator
Calculate your exact age in years, months, weeks, days, hours, and minutes from your date of birth.
JPG to PDF Converter
Combine multiple JPG photos and scans into a single organized PDF document.
PDF Compressor
Reduce the file size of PDF documents while preserving document readability and images.
CSV to JSON Converter
Convert tabular CSV and TSV spreadsheets into structured JSON arrays or key-value object trees.
Base64 Encoder
Encode text strings and binary content into standard RFC 4648 Base64 strings with UTF-8 support.
UUID Generator
Generate RFC 4122 compliant Version 4 (random) and Version 1 (time-based) UUID identifiers in bulk.
Length Converter
Convert between inches, feet, yards, miles, millimeters, centimeters, meters, and kilometers.
Strong Password Checker
Test password strength, entropy bits, brute-force cracking resistance, and vulnerability against common leaks.
Meta Title Checker
Check meta title tag pixel length (max ~580px) and character count (50-60 chars) to prevent Google truncation.
Weighted Grade Calculator
Calculate current class grade based on weighted assignment categories (Homework 20%, Midterm 30%, Final 50%).
Citation Generator
Generate accurate academic bibliography citations for websites, books, journal articles, and videos in APA, MLA, and Chicago styles.
Typing Speed Test
Test your typing speed in Words Per Minute (WPM) and accuracy percentage with live 60-second speed tests.
Split Bill Calculator
Split restaurant bills and group dining expenses evenly or by custom itemized shares with tips and tax included.
Instagram Image Resizer
Resize photos for Instagram: Square (1080x1080, 1:1), Portrait (1080x1350, 4:5), Landscape (1080x566), and Stories (1080x1920, 9:16).
Password Strength Checker
Test password strength, entropy bits, brute-force cracking resistance, and vulnerability against common leaks.
Compound Interest Calculator
Simulate long-term investment growth with monthly contributions and annual compound interest.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
Word to PDF Converter
Convert Microsoft Word (.docx, .doc) files into universally compatible PDF documents.
Color Picker from Image
Upload any image and click any pixel to sample exact HEX, RGB, and HSL color values.
Social Media Image Resizer
Resize photos for Instagram posts, Stories, YouTube thumbnails, Facebook covers, LinkedIn banners, and TikTok.
JSON to CSV Converter
Convert JSON data arrays into clean, downloadable CSV or Excel spreadsheet format.
HEIC to JPG Converter
Convert Apple iPhone HEIC and HEIF photos into universally compatible JPG format.
Base64 Decoder
Decode Base64 encoded strings back into clean UTF-8 text with error checking.
SHA-256 Hash Generator
Generate secure 256-bit SHA-256 cryptographic hashes with client-side Web Crypto API.
Weight Converter
Convert weight and mass between ounces, pounds, tons, grams, kilograms, and stones.
Fahrenheit to Celsius Converter
Convert weather forecasts, oven temperatures, and fever readings between °F and °C.
Wi-Fi QR Code Generator
Generate a QR code that allows guests to connect to your Wi-Fi network instantly without typing passwords.
Meta Description Checker
Analyze meta description length (150-160 chars / ~960px) to maximize organic search click-through rates (CTR).
IP Address Lookup
Inspect public IPv4 and IPv6 geolocation: country, city, ISP organization, and autonomous system number (ASN).
Profit Margin Calculator
Calculate gross profit margin, net profit margin, and operating profit percentage from cost and revenue.
Email Signature Generator
Design sleek, professional HTML email signatures with company logo, social media links, and contact details.
Rent Affordability Calculator
Determine your maximum recommended monthly apartment rent based on the 30% income rule or 40x rent rule.
X Post Character Counter
Count characters for Twitter/X posts (280 standard limit / 25,000 Premium), counting URLs (23 chars) and emojis accurately.
Text Encryption Tool
Encrypt sensitive text messages and passwords locally using military-grade AES-256-GCM encryption with a secret key.
Data Redaction Tool
Automatically detect and redact Social Security Numbers (SSN), Credit Cards, emails, and phone numbers from text.
Paycheck Calculator
Estimate take-home pay after federal taxes, state taxes, Social Security, and Medicare deductions.
Time Zone Converter
Convert time between US time zones (ET, CT, MT, PT, AK, HI) and international global zones (UTC, GMT, CET, JST).
Text Diff Checker
Compare two text blocks side-by-side to highlight added, removed, and modified text.
Social Media Character Counter
Check character and hashtag limits for Twitter/X (280), Instagram (2200), LinkedIn (3000), and TikTok (2200).
PDF to Word Converter
Convert PDF documents into editable Word (.docx) document format.
Image Format Converter
Convert images seamlessly between PNG, JPG, JPEG, WebP, GIF, and BMP formats.
Favicon Generator
Generate complete browser favicon packages (16x16, 32x32, 48x48, 180x180 Apple Touch, 192x192 Android) from one image.
Markdown to HTML Converter
Convert GitHub-Flavored Markdown (GFM) with tables, headers, and code blocks into clean HTML.
JSON to TypeScript Converter
Generate clean TypeScript interfaces and type definitions automatically from sample JSON data.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, SHA-512, and MD5 hashes simultaneously from any input text.
Cooking Measurement Converter
Convert culinary measurements between teaspoons, tablespoons, cups, fluid ounces, pints, and milliliters.
vCard QR Code Generator
Create a digital business card QR code encoding your name, phone number, email, company, and website.
Barcode Generator
Generate high-definition printable barcodes in Code 128, Code 39, EAN-13, and UPC formats.
FAQ Schema Generator
Create valid FAQPage JSON-LD structured data to qualify for expandable FAQ accordion snippets in Google results.
DNS Lookup Tool
Query authoritative DNS records: A, AAAA, CNAME, MX, TXT, NS, and SOA via secure DNS-over-HTTPS (DoH).
UTM Link Builder
Build Google Analytics 4 (GA4) campaign tracking URLs with utm_source, utm_medium, and utm_campaign.
Hourly Rate Calculator
Calculate your required hourly billing rate based on annual target income, business expenses, and billable hours.
College GPA Calculator
Calculate college semester GPA and cumulative GPA with plus/minus letter grades (A-, B+, etc.) and course credits.
Fuel Cost Calculator
Calculate the total fuel cost of a road trip based on trip distance, vehicle MPG, and current gas price per gallon.
Paint Calculator
Calculate how many gallons of paint you need to paint a room, deducting windows and doors.
Recipe Scaler
Scale recipe ingredient quantities up or down for any number of servings (e.g. from 4 servings to 10 servings).
Dog Age Calculator
Calculate dog age in human years based on weight breed size (Small, Medium, Large, Giant) using veterinary curves.
Hashtag Generator
Generate trending, niche, and high-engagement hashtags for Instagram reels, TikTok, and YouTube Shorts.
Passphrase Generator
Generate memorable, ultra-secure multi-word passphrases using the Diceware random wordlist method.
Subnet Calculator
Calculate IPv4 subnet masks, CIDR prefix notation (/24, /16), network address, broadcast address, and usable host ranges.
Metadata Removal Tool for Images
Strip all hidden metadata, GPS location coordinates, and camera timestamps from image files before sharing online.
Random Number Generator
Generate customizable random numbers, integers, and sequences with min/max bounds and no duplicates.
Calorie Calculator
Calculate daily calorie needs to maintain, lose, or gain weight based on activity level and goals.
Character Counter
Track exact character limits for essays, Twitter/X posts, SMS, meta tags, and Google Ads.
PDF Splitter
Split large PDF documents into individual pages or custom page ranges.
JPG to PNG Converter
Convert JPG/JPEG photos into lossless PNG format with zero compression artifacts.
ZIP File Creator
Compress and bundle multiple files or folders into a downloadable ZIP archive in your browser.
Video Compressor
Optimize and reduce video file size with resolution scaling, frame rate adjustments, and bitrate control.
JSON Validator
Validate JSON syntax and identify exact line and character errors with clear parsing error messages.
SQL Formatter
Format and beautify SQL queries (SELECT, JOIN, WHERE, GROUP BY) with uppercase keywords.
Color Code Converter
Convert colors seamlessly between HEX, RGB, RGBA, HSL, HSLA, and CSS color names.
Schema Markup Generator
Generate structured JSON-LD Schema.org markup for Articles, Products, Organizations, FAQs, and Breadcrumbs.
Pounds to Kilograms Converter
Convert body weight, gym weights, and luggage between US pounds (lbs) and kilograms (kg).
URL QR Code Generator
Generate high-resolution vector and PNG QR codes for any website URL, landing page, or online menu.
Business Name Generator
Generate memorable, brandable business name ideas for startups, small businesses, and agencies.
Fake Data Generator for Testing
Generate realistic mock data sets (names, emails, phone numbers, US addresses, credit cards, dates) in JSON or CSV.
Gradient Generator
Design beautiful linear and radial CSS gradients with visual angle controls and multi-color stops.
Website Speed Test
Benchmark page load latency, Time to First Byte (TTFB), DOM loading times, and asset transfer weights.
Open Graph Preview
Preview how your website card looks when shared on Facebook, LinkedIn, iMessage, and Discord.
Receipt Generator
Generate clean sales receipts and payment acknowledgments for customers, clients, and accounting records.
Freelance Rate Calculator
Calculate profitable freelance hourly and project rates covering self-employment tax, health insurance, and paid time off.
APA Citation Formatter
Format references and in-text parenthetical citations following the official APA 7th Edition style manual.
Periodic Table Lookup
Interactive chemistry periodic table to inspect atomic number, atomic mass, symbol, electron configuration, and element group.
Rent Split Calculator
Split apartment rent fairly among roommates based on bedroom square footage, private bathrooms, and perks.
Room Area Calculator
Calculate square footage and perimeter of rectangular, L-shaped, and irregular rooms.
Household Budget Planner
Track household monthly income against fixed expenses (housing, utilities, debt) and variable costs (groceries, leisure).
YouTube Timestamp Generator
Generate clickable YouTube video chapter timestamps (00:00 Intro, 01:45 Chapter 1) to enable video scrub chapters.
Instagram Bio Formatter
Format Instagram profile bios with aesthetic fonts, emojis, center alignment, and strict 150-character limit tracking.
LinkedIn Banner Resizer
Resize personal background banners (1584x396) and company page headers (1128x191) with avatar cutout preview.
Engagement Rate Calculator
Calculate social media engagement rate percentage based on followers, likes, comments, and shares.
Text Decryption Tool
Decrypt AES-256-GCM encrypted ciphertext back into plain readable text using your shared secret passphrase.
DNS Record Lookup
Query security DNS records: SPF, DKIM, DMARC, CAA, and DNSSEC to audit email deliverability and domain spoofing protections.
Work Hours Calculator
Calculate daily and weekly work hours, deducting unpaid lunch breaks, for timesheet tracking.
Lorem Ipsum Generator
Generate customizable dummy Latin placeholder text by paragraphs, sentences, words, or lists.
Image Cropper
Crop photos with standard aspect ratios (1:1 square, 16:9 widescreen, 4:3) or freeform crop.
PNG to JPG Converter
Convert PNG graphics to JPG images with customizable background color filling for transparent areas.
ZIP File Extractor
Unzip and extract files and folders from a ZIP archive directly without installing third-party utilities.
SVG to PNG Converter
Rasterize scalable vector SVG code and graphics into high-resolution PNG images with transparent backgrounds.
File Hash Generator
Calculate cryptographic SHA-256, SHA-1, SHA-512, and MD5 hashes for any local file to verify integrity.
Regex Generator
Generate verified regular expressions for emails, phone numbers, URLs, dates, IP addresses, and passwords.
Cron Expression Generator
Build and explain Crontab schedule expressions with human-readable explanations and upcoming run times.
Inches to Centimeters Converter
Convert screen sizes, height, and dimensions between inches (in) and centimeters (cm).
CSS Box Shadow Generator
Generate realistic, smooth CSS box-shadow and drop-shadow styles with horizontal/vertical offsets, blur, and spread.
Keyword Density Checker
Analyze 1-word, 2-word, and 3-word keyword frequencies and percentages to avoid keyword stuffing.
HTTP Status Checker
Check live HTTP response codes (200 OK, 301 Moved, 404 Not Found, 503 Unavailable) and headers for any public URL.
WHOIS Lookup Tool
Look up domain registrar, creation date, expiration date, name servers, and domain ownership status.
Markup Calculator
Calculate retail markup percentage and resulting selling price from wholesale cost.
Business Card QR Generator
Generate a print-ready QR code for physical business cards linking to your vCard or personal portfolio website.
Grade Percentage Calculator
Convert test raw scores (e.g. 43 out of 50) into percentages, US letter grades, and GPA scale points.
MLA Citation Formatter
Format Works Cited entries and parenthetical citations according to the official MLA 9th Edition handbook.
Equation Solver
Solve linear equations (ax + b = c) and quadratic equations (ax² + bx + c = 0) with step-by-step roots and discriminants.
Standard Deviation Calculator
Calculate sample standard deviation (s), population standard deviation (σ), variance, mean, and sum of squares.
Packing Checklist Generator
Generate an interactive packing checklist tailored to your destination weather, trip length, and travel activities.
Concrete Calculator
Calculate cubic yards and 60-lb or 80-lb concrete bags needed for slabs, footings, patios, and posts.
Recipe Unit Converter
Convert culinary recipe ingredients between volume (cups, tbsp) and weight (grams, ounces) for flour, sugar, and butter.
Pet Age Calculator
Convert your pet’s biological calendar age into equivalent human years for dogs, cats, birds, and rabbits.
YouTube Channel Banner Resizer
Resize and preview channel art to the 2560x1440 standard with the 1546x423 text & logo mobile safe area.
Instagram Caption Line Break Tool
Add clean, invisible paragraph line breaks to Instagram captions without awkward dots or dashes.
Social Media Bio Generator
Generate catchy, creative, and professional bios for Instagram, Twitter/X, TikTok, and LinkedIn.
Influencer Rate Calculator
Estimate fair sponsored post rates for Instagram posts, Stories, TikTok videos, and YouTube integrations.
File Hash Checker
Verify downloaded file integrity by comparing computed SHA-256 or MD5 hashes against published checksums.
URL Safety Format Checker
Analyze URL links for suspicious phishing patterns, punycode spoofing, IP obfuscation, and dangerous open redirects.
EXIF Data Remover
Remove EXIF tags (shutter speed, camera model, date taken, serial number, GPS) from JPG and PNG photos.
Scientific Calculator
Advanced scientific calculator with trigonometry, logarithms, powers, roots, and constants.
Sales Tax Calculator
Calculate total purchase price with sales tax or calculate the pre-tax amount from a receipt total.
Days Between Dates Calculator
Count the exact number of calendar days between two dates, with optional end-date inclusion.
Sleep Calculator
Calculate the optimal bedtime and wake-up times based on natural 90-minute REM sleep cycles.
Image to Base64 Converter
Encode any image file into a Data URI Base64 string for inline embedding in HTML, CSS, or JSON.
MP4 to GIF Converter
Convert short MP4 video clips into animated GIFs with custom frame rates and dimensions.
HTML Formatter
Format, beautify, and indent HTML markup and web templates.
URL Encoder
Encode special characters and query strings into percent-encoded URL-safe format (%20, %26, etc.).
QR Code Reader
Scan and decode QR codes from uploaded images, screenshots, or camera streams directly in browser.
HTTP Status Code Lookup
Look up explanations, RFC specifications, and SEO implications of 1xx, 2xx, 3xx, 4xx, and 5xx HTTP status codes.
XML Sitemap Generator
Generate standard XML sitemaps containing URLs, change frequencies, and priority weights for Google Search Console.
Number System Converter
Convert numbers simultaneously across Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8).
Volume Converter
Convert fluid volumes between fluid ounces, cups, pints, quarts, gallons, milliliters, and liters.
Cups to Tablespoons Converter
Convert US cups to tablespoons and teaspoons with standard kitchen fractions (1/4 cup = 4 tbsp).
Miles to Kilometers Converter
Convert travel distances and highway speed limits between miles (mi) and kilometers (km).
Username Generator
Generate creative, cool, and available username ideas for TikTok, Instagram, YouTube, Discord, and gaming.
Redirect Checker
Trace HTTP redirect chains (301 permanent, 302 temporary, 307/308) to diagnose redirect loops and lost PageRank.
SSL Certificate Checker
Verify SSL/TLS certificate validity, issuer authority, expiration date, and HTTPS security configuration.
Break-Even Calculator
Calculate the break-even sales volume in units and dollars required to cover fixed and variable business costs.
Payroll Calculator
Calculate employer payroll costs including FICA (Social Security & Medicare), FUTA, and SUTA unemployment taxes.
Professional Email Formatter
Format business emails with clear subject lines, polite greetings, structured bullet points, and professional sign-offs.
Flashcard Generator
Create, flip, and practice interactive digital flashcards from word lists or question-and-answer pairs.
Essay Word Counter
Track word and page counts for college essays, thesis papers, and admissions personal statements.
Grocery Unit Price Calculator
Compare two or three grocery items to find the best deal based on price per ounce, pound, or count.
Flooring Calculator
Calculate total square footage, required flooring boxes, and material costs with a 10% waste buffer.
Wedding Budget Calculator
Allocate your total wedding budget across venue (45%), photography (12%), attire (10%), music (8%), and flowers (8%).
YouTube Title Character Counter
Check YouTube video title character limits (100 max) and optimal desktop/mobile cut-off thresholds (under 60 chars).
TikTok Video Dimension Checker
Verify video resolution (1080x1920, 9:16 vertical), duration, and inspect UI safe overlay zones.
Caption Generator
Generate engaging captions with emojis and call-to-actions for photos, travel, products, and lifestyle posts.
UTM Campaign Builder
Generate trackable campaign links with UTM tags for social media ad campaigns, influencers, and bio links.
HTTP Header Checker
Audit security response headers: Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, and CORS.
Loan Calculator
Compute monthly loan payments, total payoff cost, and interest for personal, business, or student loans.
Hourly to Salary Calculator
Convert hourly wage to annual salary, monthly earnings, bi-weekly pay, and daily income.
Business Days Calculator
Calculate working business days (Monday to Friday) between dates, excluding weekends and US federal holidays.
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds and milliseconds) to human-readable dates and vice versa.
PDF to PNG Converter
Convert PDF pages into lossless PNG graphics with sharp text and transparent background support.
PDF Unlocker for Files You Own
Remove owner passwords and printing/editing restrictions from PDF files you have permissions for.
WebP to JPG Converter
Convert modern WebP images downloaded from websites into standard, universally openable JPG files.
EXIF Data Viewer
Read camera model, shutter speed, ISO, aperture, lens, GPS coordinates, and timestamp from photo EXIF tags.
HTML to Markdown Converter
Convert rich HTML webpage markup and blog posts into clean, portable Markdown syntax.
Audio Trimmer
Cut, trim, and extract specific segments of MP3 or WAV audio files with waveform visualization.
JSON Minifier
Minify and compress JSON by stripping whitespace and newlines for fast network transfer.
JavaScript Formatter
Beautify and indent JavaScript and TypeScript source code for improved readability.
MD5 Generator
Calculate 128-bit MD5 checksum hashes from text for legacy compatibility and checksums.
Meta Tag Generator
Generate HTML meta tags, Open Graph tags, and Twitter Cards to optimize search rankings and social previews.
Area Converter
Convert land and floor areas between square feet, square meters, acres, hectares, and square miles.
Internet Speed Converter
Convert bandwidth between Megabits per second (Mbps), Megabytes per second (MB/s), and download times.
Feet to Meters Converter
Convert altitude, room dimensions, and heights between feet (ft) and meters (m).
US Shoe Size Converter
Convert shoe sizes between US, UK, EU, and CM foot length for Men, Women, and Kids.
Random Name Generator
Generate realistic first names, last names, and full identities across diverse cultural backgrounds.
Random Color Generator
Generate random aesthetically balanced color palettes, pastel shades, and vibrant color codes.
Slug Generator
Create clean, lowercase, hyphenated URL slugs optimized for organic search crawlers.
Broken Link Checker
Find broken internal and external links (404 errors) on your web pages to protect user experience and SEO equity.
URL Shortener
Create clean, concise short links with QR code integration for social posts and printed marketing materials.
Twitter/X Card Preview
Preview Summary Card and Summary with Large Image previews for links shared on Twitter/X.
Quote Generator
Generate formal business price estimates, project quotes, and proposals with expiration validity dates.
Profit and Loss Calculator
Generate a mini P&L (Income Statement) summarizing total revenue, COGS, operating expenses, and net profit.
Final Exam Score Calculator
Simulate how different final exam test scores will impact your final semester course grade.
Typing Practice Tool
Improve keyboard touch-typing accuracy and speed with custom practice passages and error drills.
Mean, Median and Mode Calculator
Find the arithmetic mean, median, mode, minimum, maximum, and range of any numerical data set.
Gas Mileage Calculator
Calculate vehicle fuel efficiency (Miles Per Gallon / MPG) from odometer readings and gallons pumped.
Electricity Cost Calculator
Calculate the electricity running cost of appliances (air conditioner, heater, PC, TV) per hour, month, and year.
Cooking Timer
Multi-pot kitchen timer with presets for boiling eggs, steaks, baking cakes, roasting chicken, and pasta.
Cat Age Calculator
Convert cat years into human years using the American Association of Feline Practitioners (AAFP) guidelines.
YouTube Description Formatter
Format YouTube video descriptions with timestamps, social links, affiliate disclaimers, and 5,000-character limit tracking.
LinkedIn Headline Character Counter
Optimize your LinkedIn personal headline within the 220-character limit for recruiters and search algorithms.
Thumbnail File Compressor
Compress YouTube and social media thumbnails below upload limits (e.g. YouTube 2MB maximum) without losing sharpness.
SHA-256 Checksum Generator
Generate standardized 64-character SHA-256 hash checksums for files and security credentials.
Certificate Expiration Checker
Check TLS/SSL certificate expiration dates and receive warning indicators for upcoming renewals.
Standard Calculator
A clean, responsive basic calculator for everyday addition, subtraction, multiplication, and division.
TDEE Calculator
Calculate Total Daily Energy Expenditure (TDEE) based on your exercise routine and lifestyle activity.
Date Difference Calculator
Calculate the total number of years, months, and days between two selected calendar dates.
PDF to Text Converter
Extract raw text, paragraphs, and content from PDF documents to copy or save as TXT.
JPG to WebP Converter
Convert JPG images to next-gen WebP format for 30%+ smaller file sizes and faster Google PageSpeed scores.
Profile Picture Resizer
Crop and resize photos into clean circular and square avatar profile pictures.
File Size Converter
Convert between Bytes (B), Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB) using binary (1024) or decimal (1000) base.
CSS Formatter
Beautify CSS stylesheets with organized selectors, indented properties, and clean rules.
URL Decoder
Decode percent-encoded URLs and query parameters back into readable plain text.
Random String Generator
Generate random alphanumeric strings, API keys, secret tokens, and salts with custom character sets.
Robots.txt Generator
Create customized robots.txt crawler instruction files with User-agent rules, Disallow paths, and Sitemap URLs.
Distance Converter
Convert road travel distances between miles, kilometers, nautical miles, and meters.
Ounces to Grams Converter
Convert weight between US ounces (oz) and metric grams (g) for cooking and shipping.
Domain Name Idea Generator
Brainstorm creative, short, and brandable domain name ideas with popular TLD extensions (.com, .io, .ai, .co).
Placeholder Image Generator
Generate custom placeholder dummy images by width, height, background color, text label, and format.
Robots.txt Tester
Test whether your robots.txt directives allow or block search engine spiders from specific URLs.
Website Screenshot Tool
Capture clean desktop, tablet, and mobile device viewport screenshots of any publicly accessible website.
Billable Hours Calculator
Calculate total billable client hours, invoice totals, and billable utilization efficiency.
Roman Numeral Converter
Convert Arabic numbers (1 to 3999) to Roman numerals (I, V, X, L, C, D, M) and vice versa.
Probability Calculator
Calculate probability of single events, independent events, mutually exclusive events, combinations (nCr), and permutations (nPr).
Trip Cost Calculator
Estimate total travel expenses including gas, highway tolls, lodging, food, and parking for road trips.
Mulch Calculator
Calculate cubic yards of bulk mulch or 2-cubic-foot bags needed for garden beds at target depths (2 to 4 inches).
Facebook Cover Photo Resizer
Resize Facebook Page and Group cover photos to 820x312 (desktop) and 640x360 (mobile) safe zones.
Content Calendar Generator
Generate a 30-day social media content schedule with content pillars, hooks, and posting day rotations.
Email Syntax Validator
Validate email address syntax against RFC 5322 specifications, checking domain format, local part, and disposable email providers.
Discount Calculator
Find sale prices after percent-off discounts, dollar coupons, and combined clearance markdowns.
Retirement Calculator
Plan your retirement savings nest egg, estimated monthly retirement income, and 4% safe withdrawal rate.
Due Date Calculator
Calculate pregnancy estimated due date (EDD) based on last menstrual period (LMP) or conception date.
Reading Time Calculator
Estimate how long it will take an average person to read or speak your article or speech aloud.
Remove Duplicate Lines
Deduplicate lists, emails, keywords, and code lines while preserving order.
PNG to PDF Converter
Turn PNG images and screenshots into clean, printable PDF documents.
Image Blur Tool
Apply Gaussian blur to entire photos or blur sensitive regions such as faces, license plates, and names.
Open Graph Image Checker
Check if your Open Graph preview image meets Facebook, Twitter, and LinkedIn dimension requirements (1200x630).
HTML to PDF Converter
Render and convert HTML markup or web text into a clean, downloadable PDF document.
URL Parser
Break down any URL into protocol, host, port, path, search query parameters, and hash fragment.
HEX to RGB Converter
Convert Hexadecimal color codes (#RRGGBB) to RGB / RGBA decimal channel values.
Open Graph Meta Tag Generator
Generate Facebook Open Graph and Twitter Card tags with title, description, image, and canonical URL.
Text to Binary Converter
Convert ASCII and Unicode text into 8-bit binary numbers (0s and 1s) with space delimiters.
Data Storage Converter
Convert digital storage across Bits, Bytes, KB, MB, GB, TB, and PB in Decimal (1000) or Binary (1024).
Gallons to Liters Converter
Convert fluid capacity between US gallons, Imperial gallons, and metric liters (L).
Lottery Number Generator
Generate truly random quick-pick numbers for Powerball (1-69 + PB 1-26) and Mega Millions (1-70 + MB 1-25).
UPC Barcode Generator
Generate standard 12-digit UPC-A barcodes for North American consumer retail products.
CSS Border Radius Generator
Visually create standard and organic 8-value blob border-radius shapes for buttons, cards, and avatars.
Word Count for SEO
Evaluate blog post word counts against recommended search engine ranking benchmarks for competitive topics.
Sitemap Validator
Validate XML sitemap syntax against the official sitemaps.org 0.9 schema to prevent Google Search Console errors.
Business Loan Calculator
Calculate commercial business loan payments, SBA loan interest, and total cost of borrowing for company expansion.
Employee Cost Calculator
Calculate the true annual cost of an employee including base salary, benefits, payroll taxes, insurance, and equipment.
Business Letter Generator
Generate formal business letters for formal inquiries, recommendation requests, resignation notices, and partnerships.
Work Schedule Generator
Generate weekly team shift schedules, allocate employee coverage, and prevent overtime conflicts.
Semester GPA Calculator
Calculate semester term GPA and see how it impacts your cumulative university GPA.
Binary Calculator
Perform binary arithmetic: add, subtract, multiply, and divide base-2 binary numbers with step-by-step borrows and carries.
Travel Budget Calculator
Plan a complete vacation budget with daily spending limits across flights, hotels, dining, and activities.
Garden Soil Calculator
Calculate cubic feet and cubic yards of potting soil, topsoil, or compost for raised garden beds.
Chore Schedule Generator
Generate rotating weekly cleaning chore schedules for families or roommates.
YouTube Profile Picture Resizer
Resize channel avatar pictures to recommended 800x800 square with circular profile crop preview.
Video Aspect Ratio Calculator
Calculate matching width and height dimensions for 16:9, 9:16 vertical, 1:1 square, and 4:5 video formats.
Secure Random Number Generator
Generate cryptographically secure pseudo-random numbers (CSPRNG) using window.crypto for tokens and cryptography.
IP Address Validator
Validate IPv4 and IPv6 address syntax, check for private/bogon ranges (RFC 1918), loopback, and multicast addresses.
Auto Loan Calculator
Estimate monthly car payments, total loan cost, vehicle sales tax, and trade-in value impact.
BMR Calculator
Calculate Basal Metabolic Rate using the Mifflin-St Jeor formula to determine baseline energy burn at rest.
Date Calculator
Add or subtract days, weeks, months, or years from any starting date.
Title Case Converter
Capitalize headlines following APA, Chicago, or AP title capitalization standards.
Text to Slug Converter
Convert article titles and headlines into URL-friendly, SEO-safe slug strings.
PDF Page Extractor
Select and extract specific pages from a PDF to generate a new custom PDF document.
PDF Password Protector
Protect confidential PDF files with strong password encryption.
PNG to WebP Converter
Convert transparent PNG images to lossless or lossy WebP format while preserving transparency.
Image Dimension Checker
Quickly check the width, height, aspect ratio, and megapixel count of any image.
XML to JSON Converter
Convert XML markup documents and RSS feeds into structured JSON objects.
HEIC to PNG Converter
Convert Apple iPhone HEIC photos into lossless PNG format directly in the browser.
WAV to MP3 Converter
Convert large uncompressed WAV recordings into compressed MP3 audio files.
XML Formatter
Pretty print and indent XML and SOAP documents with customizable indentation.
CSS Minifier
Minify CSS files by stripping spaces, comments, and trailing semicolons for faster asset delivery.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers (ULID) with timestamp prefixing.
RGB to HEX Converter
Convert RGB channel numbers (0-255) into standard 6-character Hex color codes.
HTML Entity Encoder
Encode special characters into HTML entities (&, <, >, ", ') to prevent XSS vulnerabilities.
Binary to Text Converter
Translate binary numbers (8-bit bytes of 0s and 1s) back into readable English text.
Speed Converter
Convert velocity between miles per hour (mph), kilometers per hour (km/h), knots, and meters per second (m/s).
Paper Size Converter
Convert dimensions between US Paper sizes (Letter, Legal, Tabloid) and ISO 216 sizes (A4, A3, A5) in inches, mm, and points.
EAN-13 Barcode Generator
Generate standard 13-digit EAN-13 retail barcodes with automatic check digit calculation.
Breadcrumb Schema Generator
Generate BreadcrumbList JSON-LD structured data to display organized navigation trails in Google SERPs.
Image Alt Text Checker
Audit HTML markup or image tags to detect missing or empty alt attributes for SEO and accessibility (WCAG).
Domain Age Checker
Find out when a domain was first registered and calculate its exact age in years and days.
HTML Viewer
Inspect raw source HTML code, DOM tree hierarchy, and head metadata of any webpage with syntax highlighting.
Purchase Order Generator
Create official Purchase Orders (PO) for vendors with PO numbers, shipping terms, and billing specifications.
Overtime Pay Calculator
Calculate weekly regular wages, overtime pay (1.5x), and double-time holiday pay under US FLSA guidelines.
Revenue Growth Calculator
Calculate Month-over-Month (MoM), Year-over-Year (YoY), and Compound Annual Growth Rate (CAGR).
Shipping Cost Calculator
Calculate dimensional (DIM) weight for USPS, FedEx, and UPS to avoid unexpected freight surcharges.
Study Time Planner
Create an optimized weekly study schedule based on course credit loads and upcoming exam dates.
Measurement Converter
Universal educational measurement converter across metric and imperial systems with conversion factors.
Furniture Fit Calculator
Check whether a sofa, bed, or refrigerator will fit through doorways, stairwells, and hallways into your room.
Event Budget Calculator
Plan party, anniversary, and conference budgets with per-guest catering and entertainment calculations.
YouTube Tag Formatter
Format, deduplicate, and clean comma-separated YouTube video tags within the 500-character limit.
TikTok Bio Character Counter
Track TikTok’s strict 80-character bio limit and optimize call-to-action text for link in bio clicks.
Debt Payoff Calculator
Compare Debt Snowball vs Debt Avalanche payoff timelines to eliminate credit cards and loans fast.
Pace Calculator
Calculate running pace per mile or kilometer for 5K, 10K, half marathon, and marathon race goals.
Overtime Calculator
Calculate overtime pay at 1.5x (time-and-a-half) or 2.0x (double time) according to US Fair Labor Standards (FLSA).
Find and Replace Text
Find and replace words, phrases, or regex patterns across long text documents.
Text Cleaner
Strip HTML tags, smart quotes, zero-width spaces, and control characters from text.
Excel to PDF Converter
Convert Excel spreadsheets (.xlsx, .xls) and CSV sheets into organized PDF tables.
PDF Image Extractor
Extract all embedded graphics, photos, and figures from a PDF document.
Image Watermark Tool
Overlay custom copyright text, logos, or diagonal watermarks onto your photos.
Transparent Background Checker
Check if an image actually has a transparent background or a fake checkerboard JPEG pattern.
TXT to PDF Converter
Turn plain text files or raw pasted notes into clean, paginated PDF documents with custom typography.
JavaScript Minifier
Minify JavaScript scripts by stripping comments, unnecessary whitespace, and line breaks.
User Agent Parser
Parse browser User-Agent strings to extract Browser name, version, OS, rendering engine, and device type.
HTML Entity Decoder
Decode HTML entities back into regular characters and Unicode symbols.
Fuel Economy Converter
Convert vehicle fuel efficiency between US Miles per Gallon (MPG), UK MPG, and Liters per 100km (L/100km).
Square Feet to Acres Converter
Convert property and land dimensions between square feet (sq ft) and acres (1 acre = 43,560 sq ft).
HEX Color Generator
Generate randomized Hexadecimal color codes (#RRGGBB) with contrast ratio scores against white and black.
Sitemap URL Extractor
Extract and export all URL links, last modified dates, and change frequencies from any XML sitemap.
Page Size Checker
Analyze total webpage payload size in KB/MB to ensure pages load under Google 3-second threshold.
Domain Expiration Checker
Monitor domain renewal deadlines and track days remaining until domain expiration.
Website Word Counter
Count visible text words on a webpage while automatically stripping out HTML boilerplate and script tags.
Sales Commission Calculator
Calculate sales rep commission earnings based on flat rates, tiered quotas, and gross profit margins.
Meeting Agenda Generator
Generate structured, time-boxed meeting agendas for team standups, sprint retrospectives, and board meetings.
Moving Cost Calculator
Estimate moving expenses for DIY truck rentals or professional movers based on home size and distance.
Gift Budget Calculator
Organize holiday and Christmas gift shopping budgets per recipient with running balance totals.
Facebook Profile Picture Resizer
Crop and resize Facebook profile pictures to 170x170 pixels with circular preview.
IPv4 to IPv6 Reference Converter
Convert IPv4 addresses to IPv6 mapped (::ffff:x.x.x.x) and 6to4 prefix notation.
Body Fat Calculator
Estimate body fat percentage using the U.S. Navy circumference method with tape measurements.
Birthday Calculator
Discover the exact day of the week you were born, days until next birthday, and life milestones.
Word Frequency Counter
Analyze word density and list the most commonly occurring words in your text.
PDF Page Rotator
Permanently rotate upside down or sideways PDF pages 90, 180, or 270 degrees.
PDF Watermark Tool
Add custom text watermarks ("CONFIDENTIAL", "DRAFT", "SAMPLE") or image stamps to PDF pages.
Image Rotator
Rotate images 90°, 180°, or 270° clockwise or counter-clockwise, or apply custom arbitrary angle rotation.
SVG to JPG Converter
Convert SVG vector graphics to JPG pictures with custom background color filling.
VTT to SRT Converter
Convert WebVTT (.vtt) web subtitles to standard SubRip (.srt) format and vice versa.
HTML Minifier
Minify HTML source code by removing comments, redundant whitespace, and empty lines.
SQL Query Validator
Check SQL query syntax for balanced parentheses, quotation marks, and standard keyword order.
Clothing Size Converter
Convert international clothing sizes across US, UK, EU, and International standards (XS to XXL).
Team Name Generator
Generate fun, fierce, and creative team names for sports leagues, office hackathons, trivia nights, and gaming.
Test Email Generator
Generate valid disposable RFC 2606 test email addresses (example.com, test.org) for form validation.
Canonical URL Checker
Inspect canonical tags (rel="canonical") to prevent duplicate content indexing penalties.
Favicon Preview Tool
Preview how your favicon looks across real browser tab bars (Chrome, Safari, Firefox) in light and dark modes.
Price Increase Calculator
Calculate new pricing after an inflation or supplier price increase and assess margin retention.
Random Study Question Generator
Generate randomized active-recall review prompts across History, Science, Math, Literature, and General Knowledge.
Wallpaper Calculator
Calculate the number of single or double wallpaper rolls needed for an accent wall or full room with pattern repeat allowance.
Average Calculator
Calculate the arithmetic mean, median, mode, range, and sum of any series of numbers.
Savings Calculator
Determine how much to save monthly to reach your financial goals by a specific target date.
Countdown Calculator
Live countdown timer to any upcoming event, holiday, birthday, or product launch.
Sort Lines Alphabetically
Sort lists alphabetically (A to Z or Z to A), numerically, or by line length.
Line Break Remover
Remove unwanted line breaks, hard carriage returns, and paragraph breaks from copied text.
PowerPoint to PDF Converter
Convert presentation slides (.pptx, .ppt) into standard PDF slide decks.
Image to Grayscale Converter
Convert color photos into clean black and white grayscale images with adjustable contrast.
Image Metadata Viewer
View file metadata including MIME type, file size, color depth, format, and embedded tags.
JSON to XML Converter
Convert JSON data into valid XML tags and markup structure.
XML Validator
Validate XML markup syntax and detect mismatched closing tags or malformed attributes.
Decimal to Hex Converter
Convert base-10 decimal numbers into hexadecimal (base-16) values and vice versa.
Pressure Converter
Convert pressure between PSI, Bar, Pascals (Pa), Kilopascals (kPa), Atmospheres (atm), and mmHg.
Email QR Code Generator
Generate QR codes that pre-populate an email address, subject line, and body message when scanned.
Placeholder Text Generator
Generate placeholder text in Latin, tech buzzwords, culinary speak, and classic literature.
Inventory Turnover Calculator
Calculate inventory turnover ratio and Days Sales of Inventory (DSI) from Cost of Goods Sold (COGS).
Water Bill Calculator
Estimate residential monthly water consumption and utility bill costs based on household fixtures and lawn watering.
Budget Calculator
Allocate your monthly take-home income using the popular 50/30/20 budgeting rule.
Time Duration Calculator
Calculate elapsed time between two clock times (hours, minutes, seconds).
Remove Extra Spaces
Strip multiple spaces, trailing whitespace, and normalize spacing between words.
PDF Page Reorder Tool
Rearrange, swap, and reorder pages in your PDF document with visual thumbnail drag-and-drop.
Image Flipper
Flip images horizontally (mirror effect) or vertically (upside down).
EPUB to PDF Converter
Convert EPUB e-book chapters and text into a readable PDF document.
SRT Subtitle Editor
Edit, re-time, shift timestamps, and fix out-of-sync SRT subtitle files.
Energy Converter
Convert energy between Joules (J), Kilojoules (kJ), Calories (cal), Kilocalories (kcal), Watt-hours, and BTUs.
Torque Converter
Convert rotational torque between Foot-Pounds (ft-lb), Inch-Pounds (in-lb), and Newton-Meters (N·m).
Interest Calculator
Calculate simple and annual interest accrued on personal loans, deposits, and promissory notes.
Ideal Weight Calculator
Determine your ideal body weight range based on the Devine, Robinson, Miller, and Hamwi medical formulas.
Meeting Time Planner
Find overlapping working hours across multiple remote team member locations and time zones.
PDF Page Numbering Tool
Add page numbers (e.g. Page 1 of N) to headers or footers across all PDF pages.
Image Pixelator
Pixelate images or censor sensitive areas with retro 8-bit or privacy mosaic blocks.
File Extension Checker
Look up file extensions to discover associated software applications, descriptions, and file formats.
Power Converter
Convert power between Watts (W), Kilowatts (kW), Megawatts, Horsepower (hp), and Foot-pounds/min.
Inflation Calculator
Calculate the purchasing power of the US Dollar across historical years based on CPI index changes.
Water Intake Calculator
Calculate recommended daily water intake in ounces, cups, and liters based on body weight and activity.
Uppercase Converter
Instantly convert all text, headings, or documents to ALL CAPITAL LETTERS.
Alphabetical Sorter
Sort words, names, or items in alphabetical order with delimiter support.
Document Page Counter
Check total page counts, page dimensions, and orientations for one or multiple PDF documents.
Image DPI Checker
Check image DPI / PPI resolution and calculate physical print dimensions in inches and centimeters.
MP3 Metadata Editor
Inspect and edit ID3 tags for MP3 audio files including Song Title, Artist, Album, Year, and Genre.
Time Calculator
Add and subtract hours, minutes, and seconds from a starting time.
Sentence Counter
Count the total number of sentences and calculate average sentence length in words.
Random Text Generator
Generate random sentences, strings, and simulated text content for UI testing.
PDF Metadata Viewer
Inspect author, title, creation date, modification date, creator software, and PDF version.
Background Color Changer
Replace transparent backgrounds of PNG/SVG graphics with solid colors, hex codes, or white backgrounds.
MIME Type Checker
Inspect the standard MIME content-type and magic byte signature for any file extension or uploaded file.
Random Date Generator
Generate random dates and timestamps between custom start and end date ranges.
Fraction Calculator
Add, subtract, multiply, and divide fractions and mixed numbers with step-by-step reduction.
Calendar Generator
Generate clean, printable monthly or yearly calendar grids with custom note areas.
Lowercase Converter
Convert any block of text to entirely lowercase letters with proper Unicode support.
Emoji Counter
Count emojis in social captions and display an occurrence breakdown by emoji type.
Running Time Calculator
Predict race finish times for 5K, 10K, Half-Marathon, and 26.2 Marathon using Cameron or Riegel formulas.
Paragraph Counter
Count paragraphs and section breaks in essays, articles, and blog content.
Unicode Character Inspector
Inspect Unicode codepoints (U+XXXX), UTF-8 bytes, and HTML entity codes for any character.
Day of the Week Calculator
Find out which day of the week (Monday, Tuesday, etc.) any historic or future date falls on.
Week Number Calculator
Find the ISO 8601 and US calendar week number for any selected date of the year.
Ratio Calculator
Simplify ratios, scale proportions up or down, and solve for missing ratio terms (A:B = C:D).
Text Reverser
Reverse text characters, reverse word order, or invert line order.
Square Root Calculator
Calculate the square root, cube root, and nth root of any positive number with decimal precision.
Decimal Calculator
Perform precise decimal operations with rounding options and fraction conversions.
Rounding Calculator
Round numbers to the nearest tenth, hundredth, thousandth, integer, or significant figures.