Protect PDF
Add password protection and set permissions for your PDF files. 100% locally in your browser.
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Drop PDF file here or click to browse
PDF • Max 500 MB • Single file
Protection Options
No file selected
Processed locally in your browser
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How it works
- 1.Select or drop a PDF file
- 2.Enter a password
- 3.Set permissions (optional)
- 4.Download protected PDF
100% Local
Your files are processed entirely in your browser using QPDF (Apache-2.0). Nothing is uploaded to any server. Your data never leaves your device.
✓ No uploads • No servers • Works offline
Strong Encryption
Industry-standard AES-256 encryption. Control who can print, copy, or modify your documents.
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