Password Protect PDF
Add a password to your PDF in seconds — 100% private, no upload.
Drag & drop a PDF file here
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All free. All private. All in your browser.
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FAQ
Frequently asked questions
Got questions? We've got answers.
Yes. We use 128-bit RC4 encryption (PDF Standard Security Handler, Revision 3) — the industry-standard for PDF open-password protection. The encryption happens entirely in your browser; your file is never uploaded.