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Protect PDF Online

Add password protection before sending a file. 无需安装软件或创建帐号即可处理文档。

选择文件

将文件拖到这里，或从设备中选择。

.pdf accepted

FAQ

Protect PDF questions

Is it free?

Basic DockDocs workflows are free to start.

Are files private?

Local tools process in your browser. Cloud-assisted tools are clearly labeled.

What files work?

This tool accepts .pdf files.

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Unlock PDF

Remove protection from PDFs you are allowed to edit.