Optimize · runs in your browser
Compress PDF without uploading it
Shrink heavy PDFs by rasterizing pages at a quality level you control.
Drop a PDF here
or click to browse — files stay on your device
How to compress pdf
- 01
Upload your PDF.
- 02
Pick a compression level.
- 03
Download the smaller file.
Why this is private
This tool uses your browser's own PDF engine. Your document is read into memory on your device, processed there, and handed straight back to you — it is never transmitted, stored, or logged.
Compress PDF FAQ
- Will text stay selectable?
- Compression flattens pages to images, so text becomes non-selectable. Use Light if you need maximum fidelity.
- How much smaller will it get?
- Image-heavy scans often shrink 50–90%. Text-only PDFs may compress less.