Protect PDF
Add a password to a PDF.
About this tool
Password-protect a PDF online for free with AES-256 encryption. Set a password and download the locked file.
Frequently asked questions
Is the protect pdf free?
Yes — no signup, no watermark. Your file is processed and then deleted; it's never stored.
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No signup, no limits — jump straight into another PDF tool.
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Split a PDF into individual pages.
Rotate PDF
Rotate every page in a PDF 90, 180, or 270 degrees.
Unlock PDF
Remove a password from a PDF you own.
Watermark PDF
Overlay a diagonal text watermark on every page.
Number PDF Pages
Add page numbers to a PDF.
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