Merge, split, rotate, compress, watermark and more — all processing happens in your browser.
Yes, completely free with no file-size limits and no watermarks on output.
No. All processing is done in JavaScript inside your browser. Your files never leave your device.
There is no artificial limit — only your device's available RAM. Most modern laptops handle dozens of PDFs fine.
Browser-side compression removes metadata and re-serialises the PDF structure. Aggressive image resampling requires server-side tools. For heavy compression, the tool still saves you the roundtrip to a server.