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PDF Protect / Unlock

Encrypt a PDF with passwords or remove protection with a known password.

在浏览器内运行 — 数据不会离开您的设备

Encrypt a PDF with passwords or remove protection when you know the password.

User passwordOwner password (optional)

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Choose a PDF

关于PDF Protect / Unlock

Encrypt a PDF with passwords or remove protection with a known password. Everything runs in your browser. Files never leave your device.

Free?

Yes.

Uploaded to a server?

No. Processing stays in your browser.