Developer Tools
Essential utilities for programmers: code formatters, validators, regex testing, encoders, JWT decoder, and token generators.
Tools in Developer Tools (98)
Alphabetical & PopularUnix Timestamp Converter
Convert Unix epoch timestamps (seconds and milliseconds) to human-readable dates and vice versa.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
Remove Duplicate Lines
Deduplicate lists, emails, keywords, and code lines while preserving order.
Sort Lines Alphabetically
Sort lists alphabetically (A to Z or Z to A), numerically, or by line length.
Text Diff Checker
Compare two text blocks side-by-side to highlight added, removed, and modified text.
Text to Slug Converter
Convert article titles and headlines into URL-friendly, SEO-safe slug strings.
Lorem Ipsum Generator
Generate customizable dummy Latin placeholder text by paragraphs, sentences, words, or lists.
Unicode Character Inspector
Inspect Unicode codepoints (U+XXXX), UTF-8 bytes, and HTML entity codes for any character.
Image to Base64 Converter
Encode any image file into a Data URI Base64 string for inline embedding in HTML, CSS, or JSON.
Color Picker from Image
Upload any image and click any pixel to sample exact HEX, RGB, and HSL color values.
Favicon Generator
Generate complete browser favicon packages (16x16, 32x32, 48x48, 180x180 Apple Touch, 192x192 Android) from one image.
File Size Converter
Convert between Bytes (B), Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB) using binary (1024) or decimal (1000) base.
CSV to JSON Converter
Convert tabular CSV and TSV spreadsheets into structured JSON arrays or key-value object trees.
JSON to CSV Converter
Convert JSON data arrays into clean, downloadable CSV or Excel spreadsheet format.
XML to JSON Converter
Convert XML markup documents and RSS feeds into structured JSON objects.
JSON to XML Converter
Convert JSON data into valid XML tags and markup structure.
Markdown to HTML Converter
Convert GitHub-Flavored Markdown (GFM) with tables, headers, and code blocks into clean HTML.
HTML to Markdown Converter
Convert rich HTML webpage markup and blog posts into clean, portable Markdown syntax.
File Hash Generator
Calculate cryptographic SHA-256, SHA-1, SHA-512, and MD5 hashes for any local file to verify integrity.
MIME Type Checker
Inspect the standard MIME content-type and magic byte signature for any file extension or uploaded file.
File Extension Checker
Look up file extensions to discover associated software applications, descriptions, and file formats.
JSON Formatter
Beautify, indent, format, and inspect JSON payloads with collapsible tree view and error highlighting.
JSON Validator
Validate JSON syntax and identify exact line and character errors with clear parsing error messages.
JSON Minifier
Minify and compress JSON by stripping whitespace and newlines for fast network transfer.
JSON to TypeScript Converter
Generate clean TypeScript interfaces and type definitions automatically from sample JSON data.
XML Formatter
Pretty print and indent XML and SOAP documents with customizable indentation.
XML Validator
Validate XML markup syntax and detect mismatched closing tags or malformed attributes.
HTML Formatter
Format, beautify, and indent HTML markup and web templates.
HTML Minifier
Minify HTML source code by removing comments, redundant whitespace, and empty lines.
CSS Formatter
Beautify CSS stylesheets with organized selectors, indented properties, and clean rules.
CSS Minifier
Minify CSS files by stripping spaces, comments, and trailing semicolons for faster asset delivery.
JavaScript Formatter
Beautify and indent JavaScript and TypeScript source code for improved readability.
JavaScript Minifier
Minify JavaScript scripts by stripping comments, unnecessary whitespace, and line breaks.
SQL Formatter
Format and beautify SQL queries (SELECT, JOIN, WHERE, GROUP BY) with uppercase keywords.
SQL Query Validator
Check SQL query syntax for balanced parentheses, quotation marks, and standard keyword order.
Regex Tester
Test regular expressions in real-time with match highlighting, capture groups, and flag toggles (g, i, m, s, u).
Regex Generator
Generate verified regular expressions for emails, phone numbers, URLs, dates, IP addresses, and passwords.
URL Encoder
Encode special characters and query strings into percent-encoded URL-safe format (%20, %26, etc.).
URL Decoder
Decode percent-encoded URLs and query parameters back into readable plain text.
Base64 Encoder
Encode text strings and binary content into standard RFC 4648 Base64 strings with UTF-8 support.
Base64 Decoder
Decode Base64 encoded strings back into clean UTF-8 text with error checking.
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect Header, Payload claims, expiration time, and signature format.
UUID Generator
Generate RFC 4122 compliant Version 4 (random) and Version 1 (time-based) UUID identifiers in bulk.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers (ULID) with timestamp prefixing.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, SHA-512, and MD5 hashes simultaneously from any input text.
MD5 Generator
Calculate 128-bit MD5 checksum hashes from text for legacy compatibility and checksums.
SHA-256 Hash Generator
Generate secure 256-bit SHA-256 cryptographic hashes with client-side Web Crypto API.
Password Generator
Generate strong, cryptographically secure passwords and passphrases with custom rules.
Random String Generator
Generate random alphanumeric strings, API keys, secret tokens, and salts with custom character sets.
QR Code Generator
Generate customizable high-resolution QR codes for websites, text, Wi-Fi networks, and contacts.
QR Code Reader
Scan and decode QR codes from uploaded images, screenshots, or camera streams directly in browser.
URL Parser
Break down any URL into protocol, host, port, path, search query parameters, and hash fragment.
HTTP Status Code Lookup
Look up explanations, RFC specifications, and SEO implications of 1xx, 2xx, 3xx, 4xx, and 5xx HTTP status codes.
User Agent Parser
Parse browser User-Agent strings to extract Browser name, version, OS, rendering engine, and device type.
Color Code Converter
Convert colors seamlessly between HEX, RGB, RGBA, HSL, HSLA, and CSS color names.
HEX to RGB Converter
Convert Hexadecimal color codes (#RRGGBB) to RGB / RGBA decimal channel values.
RGB to HEX Converter
Convert RGB channel numbers (0-255) into standard 6-character Hex color codes.
Cron Expression Generator
Build and explain Crontab schedule expressions with human-readable explanations and upcoming run times.
Robots.txt Generator
Create customized robots.txt crawler instruction files with User-agent rules, Disallow paths, and Sitemap URLs.
XML Sitemap Generator
Generate standard XML sitemaps containing URLs, change frequencies, and priority weights for Google Search Console.
Meta Tag Generator
Generate HTML meta tags, Open Graph tags, and Twitter Cards to optimize search rankings and social previews.
Schema Markup Generator
Generate structured JSON-LD Schema.org markup for Articles, Products, Organizations, FAQs, and Breadcrumbs.
Open Graph Meta Tag Generator
Generate Facebook Open Graph and Twitter Card tags with title, description, image, and canonical URL.
HTML Entity Encoder
Encode special characters into HTML entities (&, <, >, ", ') to prevent XSS vulnerabilities.
HTML Entity Decoder
Decode HTML entities back into regular characters and Unicode symbols.
Text to Binary Converter
Convert ASCII and Unicode text into 8-bit binary numbers (0s and 1s) with space delimiters.
Binary to Text Converter
Translate binary numbers (8-bit bytes of 0s and 1s) back into readable English text.
Decimal to Hex Converter
Convert base-10 decimal numbers into hexadecimal (base-16) values and vice versa.
Number System Converter
Convert numbers simultaneously across Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8).
Data Storage Converter
Convert digital storage across Bits, Bytes, KB, MB, GB, TB, and PB in Decimal (1000) or Binary (1024).
Internet Speed Converter
Convert bandwidth between Megabits per second (Mbps), Megabytes per second (MB/s), and download times.
Wi-Fi QR Code Generator
Generate a QR code that allows guests to connect to your Wi-Fi network instantly without typing passwords.
URL QR Code Generator
Generate high-resolution vector and PNG QR codes for any website URL, landing page, or online menu.
Email QR Code Generator
Generate QR codes that pre-populate an email address, subject line, and body message when scanned.
Fake Data Generator for Testing
Generate realistic mock data sets (names, emails, phone numbers, US addresses, credit cards, dates) in JSON or CSV.
Test Email Generator
Generate valid disposable RFC 2606 test email addresses (example.com, test.org) for form validation.
Placeholder Image Generator
Generate custom placeholder dummy images by width, height, background color, text label, and format.
Random Color Generator
Generate random aesthetically balanced color palettes, pastel shades, and vibrant color codes.
HEX Color Generator
Generate randomized Hexadecimal color codes (#RRGGBB) with contrast ratio scores against white and black.
Gradient Generator
Design beautiful linear and radial CSS gradients with visual angle controls and multi-color stops.
CSS Box Shadow Generator
Generate realistic, smooth CSS box-shadow and drop-shadow styles with horizontal/vertical offsets, blur, and spread.
CSS Border Radius Generator
Visually create standard and organic 8-value blob border-radius shapes for buttons, cards, and avatars.
Slug Generator
Create clean, lowercase, hyphenated URL slugs optimized for organic search crawlers.
Robots.txt Tester
Test whether your robots.txt directives allow or block search engine spiders from specific URLs.
FAQ Schema Generator
Create valid FAQPage JSON-LD structured data to qualify for expandable FAQ accordion snippets in Google results.
Breadcrumb Schema Generator
Generate BreadcrumbList JSON-LD structured data to display organized navigation trails in Google SERPs.
Redirect Checker
Trace HTTP redirect chains (301 permanent, 302 temporary, 307/308) to diagnose redirect loops and lost PageRank.
HTTP Status Checker
Check live HTTP response codes (200 OK, 301 Moved, 404 Not Found, 503 Unavailable) and headers for any public URL.
DNS Lookup Tool
Query authoritative DNS records: A, AAAA, CNAME, MX, TXT, NS, and SOA via secure DNS-over-HTTPS (DoH).
IP Address Lookup
Inspect public IPv4 and IPv6 geolocation: country, city, ISP organization, and autonomous system number (ASN).
HTML Viewer
Inspect raw source HTML code, DOM tree hierarchy, and head metadata of any webpage with syntax highlighting.
Binary Calculator
Perform binary arithmetic: add, subtract, multiply, and divide base-2 binary numbers with step-by-step borrows and carries.
SHA-256 Checksum Generator
Generate standardized 64-character SHA-256 hash checksums for files and security credentials.
Email Syntax Validator
Validate email address syntax against RFC 5322 specifications, checking domain format, local part, and disposable email providers.
IP Address Validator
Validate IPv4 and IPv6 address syntax, check for private/bogon ranges (RFC 1918), loopback, and multicast addresses.
Subnet Calculator
Calculate IPv4 subnet masks, CIDR prefix notation (/24, /16), network address, broadcast address, and usable host ranges.
IPv4 to IPv6 Reference Converter
Convert IPv4 addresses to IPv6 mapped (::ffff:x.x.x.x) and 6to4 prefix notation.
DNS Record Lookup
Query security DNS records: SPF, DKIM, DMARC, CAA, and DNSSEC to audit email deliverability and domain spoofing protections.
About Developer Tools on TTech
Are these tools private and secure?
Yes. All developer tools are engineered to execute calculations and processing within your local web browser, protecting your privacy and confidential data.
Can I use these tools on mobile devices?
Every tool is responsive and optimized for mobile screens, tablets, laptops, and desktop computers.