Every PDF tool you pay for.
Free, and nothing leaves your device.
Fill and sign, fill forms, comment, merge, split, compress, protect, rotate, watermark. It all runs right here in your browser, so your files are never uploaded anywhere.
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Private by designYour files are processed on this device by WebAssembly. Turn off Wi-Fi and it still works. Install it as an app and it opens like any other program, offline too, and updates itself when a new version ships.
No accounts, no limitsNo sign-up, no file-size cap, no daily quota, no watermark unless you add one.
Open source, MITRead the code, host it yourself, or use the same engine from Rust, JavaScript or the command line.
Tested on real documentsEvery release is run over 470+ real PDFs (11,600 pages) from Word, Chrome, scanners, DocuSign and more: load, re-save, extract text, redact, recompress, reload. Zero failures is the bar.
How it's tested.