PDF and Document Tools Client-Side & Private

PDF to PDF/A Converter

Convert PDF files to ISO-standardized PDF/A format for legal compliance and long-term archiving.

Click to upload file(s) or drag & drop here

Supports standard PDF documents (.pdf)

🔒 100% Client-side. Your files never touch external servers.

How to Use the PDF to PDF/A Converter

Enter your parameters: Type, paste, or select your input values above.
View instant results: Calculations update in real time as you change values.
Copy or export: Click copy, download, or print to use your results immediately.

About this Tool

Embed color space identifiers, remove active dynamic content, and embed conformance metadata conforming to ISO 19005-1 PDF/A standards.

Client-Side PDF Document Pipeline

In-Browser WebAssembly (Wasm) & pdf-lib Binary Stream Manipulation

PDFs are processed directly inside your browser memory sandbox using modern Web APIs. Document cross-reference tables are modified and written without transmitting binary streams to remote servers.

Worked Example: Local Document Processing Example

Input:

Two PDF contracts (1.8 MB and 2.4 MB) selected from local disk

Output:

Single merged 4.2 MB PDF document generated in under 1 second

All page tree references, fonts, and embedded image dictionaries are re-indexed locally on your machine.

Frequently Asked Questions

Does compressing a PDF reduce text sharpness or print quality?

No. Vector fonts, typography paths, and lines remain mathematically crisp. Compression primarily optimizes high-DPI raster scans and strips unreferenced metadata.

Are my confidential documents uploaded to any remote server?

No. Processing occurs entirely in your browser sandbox via WebAssembly and HTML5 File APIs. Your files never touch our servers.

What is the maximum PDF file size I can process?

Because processing runs in browser memory, files up to 200 MB are typically handled smoothly on modern desktops and laptops.

Calculation Standards

Compliant with ISO 32000-1 (PDF 1.7) and ISO 32000-2 (PDF 2.0) international document specifications. For tax, legal, or medical advice, consult certified professionals.