Add a password to your PDF with AES encryption, right in your browser
AES Encryption
100% Browser-side
No File Upload to Server
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Set Password
Password strength
Anyone opening this PDF will need this password.
Advanced: Owner Password & Permissions
The owner password unlocks full access — printing, editing and every permission below, no restrictions.
Why set an owner password? If you leave it blank, the document password doubles as the owner password — so anyone who opens the file automatically gets full permissions, and the toggles below won't really restrict anything. Set a separate owner password to make the permission limits below actually stick for people opening the file with the document password only.
Please Note:Permission restrictions depend on the PDF viewer. Adobe Acrobat Reader fully supports them, while some browsers and third-party PDF apps may ignore these restrictions.
Permissions (applied when the PDF is opened with the document password)