Protect with password

Protect with password online

Add a password required to open the PDF.

Drop your file in the tool below or choose it from your device to start.

No sign-up No watermark Runs in your browserFree for personal use1 file | up to 200 MB
Your file is processed on your device in this browser session. PDF me does not upload it to a processing server. Uses a local browser worker or WebAssembly module, still inside your browser.View Trust Center
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No sign-up No watermark Runs in your browser Free for personal use
01
Upload
Drop in one or many files.
02
Protect with password
Add a password required to open the PDF.
03
Download
Save back to your device, Drive or Dropbox.
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Online PDF workflow

Password-protect PDFs entirely in the browser — encryption never leaves your device.

Add a password to your PDF to control who can open or edit it. Encrypt PDF files instantly in your browser. Free, secure, no account needed. No account, no watermark, runs in your browser.

Add an open-password before sharing sensitive documents by email.

Control who can print or edit the file by setting a permissions password.

Encryption runs entirely in your browser — the password is never sent to a server.

Is Protect with password free to use?

Yes. Protect with password is free for personal use, does not require an account and does not add a watermark to your exported PDF.

Are my files safe in Protect with password?

Current live tools process files in the browser. Some tools use local browser workers or WebAssembly modules, but the document still stays on your device.

Can I use Protect with password on mobile?

Yes. The tool works in modern mobile and desktop browsers, so you can upload, adjust and download PDFs without installing a desktop app.