Unlock PDF
Remove PDF protection using a password you already know, so the file can be edited or merged. This site cannot crack or guess unknown passwords; the first run loads qpdf WASM.
100% browser-based · files never uploaded
Drag files here, or click to choose
Drag, click to choose, or paste a single file with Ctrl+V · Up to 50.0 MB per file
Settings
Only PDFs whose password you already know can be unlocked. If you have forgotten it, please use a desktop tool you are authorised to use — this site offers no cracking service.
🔒 Your files never leave your browser
Related tools
- Password Protect PDFSet an open password on a PDF and optionally restrict printing, copying and editing. The first run downloads a ~2MB encryption module (WASM); everything happens in your browser.
- Sign PDFPlace a text, image or handwritten signature in the bottom-right corner of the page you choose (a visual signature, not a CA digital certificate).
- Redact PDFDrag over the areas that hold sensitive information and black them out — processed locally in your browser, files are never uploaded.
Frequently asked questions
- Can it open a PDF without a password?
- No. This tool only removes protection when you already know the open password.
- Is the file uploaded?
- No. Decryption happens locally in your browser.
- Can I encrypt it again afterwards?
- Yes. Use "Password Protect PDF" to set a new password.