Toolbox / Converter / Protect PDF

Protect PDF

Add password protection to PDF.

100% Secure & Local Your PDF and password never leave your device. The encryption is processed entirely inside your web browser.

Choose a PDF File to Protect

Drag & Drop a PDF here or click to quickly browse

Local Processing • Max 200MB

Secure Your PDF Documents Instantly

Protecting a PDF with a strong password ensures that sensitive information—like tax details, contracts, or personal documents—remains secure even if the file is intercepted or shared incorrectly.

The Protect PDF tool encrypts your document with an industry-standard password. The process runs locally within your browser, so your private files or chosen passwords are never uploaded to any external server.