Protect PDF
Protect PDF
Require an opening password with AES-256 encryption.
Drop your files here
PDF, JPEG or PNG as indicated · 50 MB total · 200 pages · 20 files
Files stay in this browser. Closing or resetting clears the working session.
How it works
Require an opening password with AES-256 encryption. Choose files, adjust the options, then process and download. Use page previews to check your selection.
PDF → AES-256
Keep your original. Editing can remove signatures, forms, links or accessibility information. Review the downloaded file before relying on it.