🔒 Password Protect PDF (Client-Side)
Add a password to open your PDF.
Drag & drop a PDF here
…or click to choose a file
Status
Note: This tool can’t unlock PDFs without the correct password. It only encrypts PDFs or changes permissions when you already have access.
Help & FAQ — Password-Protect PDF
How to use
- Add a PDF.
- Enter a strong password.
- Apply protection and download.
Use cases
- Protect a report with a password.
- Encrypt a PDF before emailing.
Tips & FAQs
- Will this encrypt my PDF?
- Yes, the exported PDF requires the password to open.
- Forgotten password?
- There is no recovery; store it safely.
Formats & limits
- Input: PDF
- Output: password-protected PDF
- Compatibility varies with very old PDF readers
Privacy
All processing happens in your browser; files never leave your device.
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Updated
12 October 2025