Protect PDF

Secure your PDF with a user password (to open) and an optional owner password (for full permissions). Uses strong encryption. 100% browser-based — your file and passwords never leave your device.

Runs 100% in your browser

Files never leave your device

Other PDF Tools

Unlock PDF

Remove password protection from your PDF.

Merge PDF

Combine multiple PDF files into a single document.

Split PDF

Extract pages from a PDF into separate files.

Compress PDF

Reduce PDF file size while maintaining quality.