Protect PDF
Require a password to open your PDF.
Protect PDF
Local file
Files
ⓘGood to know: Adds a real AES-256 open password. Keep it safe — a lost password cannot be recovered.
✓ Files Stay on Your Device
Processing…4%
✓ Password added
Your original file is unchanged.
Discard your changes?
Your file stays on this device, but edits in this workspace will be lost.
How it works
Everything Happens On Your Device
- 01
Select your file(s)
Everything is read straight into your browser.
- 02
Processed on your device
No file uploads for processing, processing servers, or upload queue.
- 03
Download the result
A separate file — your original stays untouched.