Compress PDF Online Free
Free PDF compression that actually respects your privacy. Your file stays in your browser the entire time — adjust quality, compress, download.
No account needed · zero uploads, verifiable in DevTools
Open DevTools → Network while converting. You'll see zero outbound requests. Every byte stays inside your browser tab.
Yes. You get 5 free tool uses per day. No account or credit card required.
No. All processing happens entirely in your browser using WebAssembly. Your file never leaves your device.
Image-heavy PDFs can often shrink 40–80%. Text-only PDFs typically compress 10–20%. Use the quality slider to find the right balance.
Yes. Once the page is loaded, you can disconnect from the internet and the tool will still work perfectly.