Reduce your PDF file size without losing quality — free, private, entirely in your browser.
Click "Start Converting — Free" to launch the PDF compressor.
Select the PDF file you want to compress.
The PDF is compressed locally. Download the smaller file instantly.
Your PDF is compressed locally — no files ever sent to a server.
Compress as many PDFs as needed, with no fees or watermarks.
Reduces file size by compressing embedded images and optimising PDF structure.
WebAssembly-powered for fast local processing.
Smaller PDFs are easier to email, upload, and share.
Reduction depends on content. Image-heavy PDFs can be reduced by 50–80%. Text-only PDFs see smaller reductions.
Yes, completely free with no registration or watermarks.
The tool optimises PDF structure and compresses images at high quality. For most documents, quality loss is minimal to none.
No. Compression runs entirely in your browser using WebAssembly. Your files are never uploaded.
Standard PDFs compress directly. Password-protected PDFs may need to be unlocked first.