PDF tools
⌑ Files stay on your deviceCompress PDF ≈
Optimize PDF content streams with lossless compression. File size savings depend on the original document.
Your result.
How to use Compress PDF
- Choose your PDF.
- Choose the PDF you want to optimize.
- Run compression and compare the downloaded file size with the original.
Formats and requirements
- Input formats
- Output
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 32 MiB per file, 32 MiB total
What to expect
Compression is lossless and may not reduce already optimized files.
Do my files leave my device?
No. File processing runs locally in your browser worker. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →