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Complete PDF Solutions, 100% Free & Secure

All the tools you need to edit, compress, merge, protect, and convert PDFs.

Files never storedInstant results4.9/5 ratingAvailable 24/7

Organize PDF

6

Merge, split, reorder and manage your PDF pages with precision.

Convert PDF

9

Convert documents, images, and web content to and from PDF formats.

Edit PDF

8

Add annotations, watermarks, page numbers and manipulate your PDF pages.

PDF Security

5

Lock, unlock, sign, protect and verify the integrity of your PDF documents.

PDF Intelligence (AI)

5

Harness Google Gemini AI to analyze, summarize, and translate your documents.

Image Tools

2

Compress, convert, and optimize image files — fast, 100% in your browser.

Latest from the Blog

Free PDF guides, tips, and tutorials written by our team

Why Choose KAOpdf?

All PDF tools are 100% free, work directly in your browser, and never upload your files to any server. No sign up, no watermark, no limits.

Guaranteed Privacy

Your files are processed with secure encryption and automatically purged within 2 hours. We never permanently store or share your documents.

Fast & Free

Instant processing without queue limits. No account registration or monthly subscription required.

High Quality

Uses industrial-grade rendering libraries to keep text, fonts, and images sharp.