Change PDF permissions
Rewrite the permission flags stored in a PDF. To enforce permissions, the output is encrypted with the password you set.
Drop a PDF here
or click to choose a file
Accepted: PDF · No upload
How permissions work
PDF permission flags are advisory — most PDF software will honour them but determined users can bypass them with the right tool. Enforced permissions require encryption, so the output is always encrypted with the password you set.
Privacy
Runs in your browser. No upload.
Known limitations
- Permissions are advisory unless the file is encrypted.
- A determined user with the right password can strip permissions.
- Digital signatures become invalid.