Protect PDF
A sensitive document — financial records, a signed contract, anything personal — is safer with a password on it before it goes out by email. Protect encrypts the file locally, so the password never leaves your device either.
Start here
Add your files
Drop files here, or click to browse
Up to 100 MB · processed on your device
Your files never leave this browserHow it works
- 1Drop in the PDF you want to protect.
- 2Set and confirm a password.
- 3Optionally restrict printing or copying text.
- 4Click Protect PDF and download the encrypted file.
Common ways people use this
- Password-protect a financial document before emailing it
- Restrict copying on a document you’re sharing for review only
- Add a password to a contract before sending it to a third party
- Lock a PDF containing personal or medical information
Frequently asked questions
What encryption does this use?
Standard PDF password encryption, applied entirely on your device.
What happens if I forget the password?
Nobody — including us — can recover it; the password is never transmitted or stored anywhere.
Will printing and copying restrictions be enforced everywhere?
They’re honoured by most PDF readers, though not all readers enforce them strictly.
Is my file uploaded to set the password?
No, encryption happens entirely in your browser.
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