Home / How-to
A simple step-by-step guide to unlock a pdf on Windows using PDFWix's free online tools.
Unlock a PDF on Windows 10/11 — remove a known password with PDFWix in your browser. Files stay on your device. Free, no install, no signup, no watermark.
PDFWix Unlock requires the owner password — it does not brute-force or guess. Genuine password recovery (for a PDF where you've forgotten the password) needs specialised tooling and can take days or weeks even for short passwords. If you know the password, unlocking is instant and runs in your browser via WebAssembly so the password never reaches our servers.
No — and this is the most important thing to understand about every legitimate 'unlock PDF' tool. PDFWix decrypts using the password you supply; it does not crack, brute-force, or recover unknown passwords. If you've lost a password you set yourself, the file may be unrecoverable — that's by design with strong PDF…
Yes. Removing a password from a PDF you own (or have explicit permission to modify) is legal in most jurisdictions. Removing protection from a file you don't own is generally illegal under computer-misuse laws and violates our terms of service.
No. The closest free native option is Adobe Acrobat Reader's Print-to-PDF workflow (open with password, print to 'Microsoft Print to PDF'). It works but re-renders pages, sometimes rasterising text. Unlock PDF preserves the original streams.