Protect PDF

Password-protect your PDFs

Password-protect PDF files online for free. Upload your document, choose encryption, set a password, and download the protected PDF in your browser.

Drop a PDF file here

Your files are processed securely and automatically deleted.

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Protect PDF — frequently asked questions

Yes. You can protect PDFs with a password online for free in your browser with no account required.

Files are processed only to apply password protection, then removed automatically after a short period. We do not share them with third parties.

You can choose 40-bit, 128-bit, or 256-bit encryption when protecting your PDF.

Yes. Use our Unlock / Remove PDF protection tool with the same password to create an unprotected copy.

Yes. The tool is responsive and works on modern phones and tablets (Android and iPhone).