About PDF Compress
Free, private PDF compression — built by one person.
Yanis L.
Indie maker & founder
I build free, privacy-first PDF tools that run entirely in your browser. No servers, no uploads, no accounts. Just tools that work.
Why I built PDF Compress
Most online PDF compressors require you to upload sensitive documents to unknown servers. PDF Compress was built differently: all compression happens inside your own browser using WebAssembly. Your files never leave your device.
How it works
PDF Compress uses a WebAssembly-powered compression engine with 24+ methods to reduce file size while preserving quality. Everything runs locally in your browser tab.
- Upload one or more PDF files
- Choose a preset (balanced, aggressive, or custom)
- Download compressed PDFs or a ZIP archive
The full suite
Part of a family of free, private PDF tools:
- FreeMergePDF — merge multiple PDFs into one
- SplitPDF — split PDF pages
- ConvertToPDFFree — convert images to PDF
Contact
Questions or feedback? Reach out on X / Twitter.