Drop file here
or click to browse
The password and encrypted output stay in browser memory until download.
Useful for legal, HR, finance, and any document you want to protect before sharing.
Yes. Password Protect PDF is completely free — no signup, no watermarks, and no file limits. It runs locally in your browser, so there is no server cost to pass on.
No. The password and encrypted output stay in browser memory until download. Processing happens with JavaScript in your browser, so your document never leaves your device.
Yes. Once the page has loaded, processing runs entirely on your device, so it keeps working without an internet connection.
Password Protect PDF accepts PDF files and produces an Encrypted PDF. Useful for legal, HR, finance, and any document you want to protect before sharing.
No. Password Protect PDF works in any modern browser — Chrome, Firefox, Safari, or Edge — on Windows, macOS, Linux, iOS, and Android. There is nothing to download or install.