Compress PDF
Reduce PDF size locally with lossless optimization or image optimization, preserving selectable text.
Features
- Reduce PDF size locally with lossless optimization or image optimization, preserving selectable text.
- Preview the resulting PDF before downloading.
- Continue processing your result without selecting the file again.
How to use this tool
- Choose local PDF files within the displayed limits.
- Choose lossless structure optimization or image optimization, then compare the actual sizes.
- Apply, review and download the result.
Good to know
This tool is free without sign-up, with unlimited processing and exports within the displayed input limits.
- Original files are unchanged. Save results before leaving or refreshing.
- Text and vectors remain selectable. If no reduction is possible, the original file is returned.
- Changing a signed PDF invalidates its existing digital signatures.
Privacy and local processing
This tool processes your input in your browser. Source files and text are not uploaded to a FormatOwl processing server. Advanced-tool access and trial balances are checked online using tool IDs, file types, sizes and page counts. Free tools do not require account authorization. Save the results you need before leaving or refreshing the page.
Processing engines, preview resources or fonts may be downloaded from this site when needed. These downloads do not upload your source content.
Read our privacy policy