๐Ÿ”’ Protect PDF

Add a protection mark to your PDF. Transparent about browser limitations โ€” with alternatives for real encryption.

Honest & transparent
Free alternatives listed
No upload
100% Free
๐Ÿ”’

Drop a PDF file here

or click to select

Processingโ€ฆ

โœ… Done!

For real AES encryption use PDF24 (free) or LibreOffice.

About PDF Password Protection

True PDF password encryption uses AES-256 encryption, which cannot be applied by JavaScript running in a browser โ€” it requires server-side or desktop processing. This is a browser security limitation, not a DocMind limitation.

Free Alternatives for Real PDF Encryption

Need to remove a password from a PDF you already have? Use our Unlock PDF tool.

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