Protect PDF
Add a password and encryption to keep your PDF private. 100% free, secure and no sign-up required.
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About Protect PDF
Add a password and encryption to keep your PDF private. Everything runs through our fast, private pipeline — free, with no watermarks and no account needed.
How to use Protect PDF
- 1Upload your file by dragging it into the box above or clicking to browse — files up to 100MB are supported.
- 2Protect PDF starts automatically and runs securely in your browser, so your files never leave your device.
- 3Preview the result, then click Download to save the converted file.
Frequently Asked Questions
Is Protect PDF free?+
Yes, Protect PDF is completely free with no watermarks or sign-up.
Are my files safe?+
Yes. Files are processed securely and deleted automatically shortly after processing.
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