Protect PDF in your browser

Encrypt a PDF with an AES-256 opening password. Use protect pdf locally in your browser without an account or file uploads.

How to use protect pdf

1. Choose a file using the file picker or drop zone.
2. Review current password (if protected), new opening password, owner password (optional) and adjust the available settings.
3. Create the result, review its preview and download it before leaving the tool.

Before you start

Set a new opening password. The optional owner password controls permission changes. Passwords stay in memory in this tab; keep a copy somewhere safe.

Selected files are limited to 150 MB total (100 MB for video). Results stay in this tab; download before leaving. Read the privacy policy.

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