Tool — Security
Protect & Unlock PDF
Add password protection with custom permissions, or remove a password you already know. 100% local — your file is never sent to any server.
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Click to choose or drag a PDF here
Local only · Free · No account
Set password
⚠️ PDFZero can only remove passwords that you already know. We do not crack or brute-force passwords.
Enter the current password
Done ✓