Privacy

Your PDF. Your device. Your rules.

The website loads from the internet. Your PDF stays on your device.

All processing runs in a local Web Worker. This site uses no analytics, accounts, cookies, or PDF storage. Your browser downloads application assets, but PDF data, filenames, and metadata are not sent to us.

Compression is powered by Ghostscript, the open-source PDF engine by Artifex, compiled to WebAssembly; result checks use Mozilla's pdf.js. Thank you, Ghostscript.

Digital signatures and interactive forms may not survive PDF rewriting. Check the result before sharing.

How it works

Your browser reads the PDF and recompresses suitable images. Text and vector content are kept where the PDF engine supports it.

No uploads. No accounts. No paywalls. No ads.