Unlock PDF Files
Unlock a PDF with a known password — or remove print/copy restrictions from files that open freely — locally, no upload. Also adds AES-256 passwords.
Processing and data safety
Section titled “Processing and data safety”This tool runs entirely in your browser — your files are never uploaded to a server.
Input and output
Section titled “Input and output”- Formats: PDF
- Flow: Encrypted or restricted PDF → unlocked PDF
How to use
Section titled “How to use”- Open a PDF.
- To encrypt: set the password twice to confirm it. To decrypt: enter the open password — files with permission restrictions but no open password can be unlocked by leaving it empty.
- Download the result.
Key details and limits
Section titled “Key details and limits”- Cannot break unknown passwords.
- Files with permission restrictions but no open password are unlocked via the empty-password path (rebuilds the document page by page: bookmarks and form fields are not kept); a few producer quirks may still fail — desktop software (e.g.
- Some permission flags vary by reader.
Common use cases
Section titled “Common use cases”- Set an open password with print/copy permissions; or remove restrictions with a known password (leave it empty for permission-only files)