PDF Password Protect
Free PDF password protector. Add a password to your PDF document to prevent unauthorized access. Encrypt with AES-256. Runs in your browser.
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PDF files never leave your device
About the PDF Password Protect
The PDF Password Protect runs entirely in your browser. Your data never leaves your device — there's no upload to any server. This keeps your files and information completely private while delivering instant results.
Free PDF password protector. Add a password to your PDF document to prevent unauthorized access. Encrypt with AES-256. Runs in your browser. It's free, requires no sign-up, and works on any device — desktop or mobile.