Protect PDF on Windows
Windows ships no PDF protection at all — the feature lives behind Acrobat's subscription or freeware risk. The browser supplies it directly: upload, password, encrypted copy. Free with fair daily limits.
- 1Upload
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Drag & drop your file here
or click to browse · Up to 15 MB
Select fileAccepted: PDF
Your files are processed temporarily and deleted automatically — there is no general cloud storage. File deletion.
How to protect pdf
Simple steps — no software to install.
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Open Protect PDF in any browser
Edge, Chrome, Firefox.
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Set the password
Recorded, passphrase-length.
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Distribute the locked copy
Password by another channel.
Why use our Protect PDF
Secure & private
Files are encrypted in transit and deleted automatically after processing.
Fast results
Optimized processing returns your file in seconds.
Free to start
Core tools are free with daily limits — no install required.
Works anywhere
Runs in your browser on any device, anywhere in the world.
The missing Windows feature
Sensitive documents leave Windows machines constantly — payroll files, contracts, records — with no native way to lock them. The browser encryption fills the gap on any Windows, including installs-forbidden office PCs.
Office-workflow fit
The HR document encrypted before the email, the client file locked before the share drive — thirty-second protection that slots into existing workflows precisely because nothing needs installing or approving.
- Fills Windows' gap
- No Acrobat subscription
- Office-PC compatible
- Free with fair daily limits
- Files auto-deleted