Optimize PDF Tools

Make your PDFs smaller, standards-compliant, and more robust — compress, convert to archival formats, or repair damaged files, all locally in your browser.

Free·No signup·Files never leave your device

Optimize PDF

Compress PDF
Reduce PDF file size with three quality levels. Pages are re-encoded locally — nothing is uploaded.
PDF to PDF/A
Convert PDFs to the archival PDF/A-2b standard in your browser. Keep the text layer or rasterize for the best validation odds — nothing is uploaded.

Other categories

Organize
9 tools
Convert to PDF
3 tools
Convert from PDF
3 tools
Edit PDF
1 tools
Secure PDF
2 tools
Inspect PDF
2 tools

One free toolkit for every PDF task

Merge, split, convert, watermark, protect — 21 tools that all run privately in your browser. No signup required.

Explore all PDF tools