更改权限

设置或更改 PDF 上的用户权限。

Click to select PDF 或将文件拖放到此处

您的文件从未离开您的设备。

How It Works

1

Upload File

Click or drag and drop your file to begin

2

Modify Permissions

PDF permissions and security settings are modified according to your preferences

3

Download

Get your PDF file with updated permissions and security settings applied

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Commonly Asked Questions

Is change permissions really free?

Yes! FilePdf.net is 100% free with no hidden fees, no signup required, and unlimited file processing.

Are my files private and secure?

Absolutely! All processing happens in your browser. Your files never leave your device, ensuring complete privacy.

Is there a file size limit?

No! Process files of any size, as many times as you want, completely free.