加密 PDF
← PDF 工具点击选择文件 或将文件拖放到此处
您的文件从未离开您的设备。
This password will be required to open the PDF.
If provided, usage restrictions will be applied. Leave empty for no restrictions.
Encryption Details:
- 256-bit AES encryption (highest security)
- User password required to open PDF
- Owner password enables usage restrictions
- Without owner password: no restrictions applied
处理中...