Unlock PDF
Use Unlock PDF online for free. Your files and data stay in your browser.
⚠ 重要限制说明
浏览器端使用的 pdf-lib 库 不支持解密加密的 PDF。本工具只能检测 PDF 是否加密，无法去除密码保护。若需要真正解密，请使用：
- 命令行工具：
qpdf --password=PASSWORD --decrypt - 本地软件：Adobe Acrobat、PDFsam
- Python：
pikepdf库
Click or drag files here to upload
SUPPORTED: application/pdf,.pdf
How to use
- 1 Open Unlock PDF and provide the required input.
- 2 Adjust the available options to match your needs.
- 3 Review the result and download or copy it when ready.
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About this tool
Unlock PDF is a free browser-based tool from ToolboxAgent. It runs without installation and processes your data locally whenever the underlying browser technology permits it.
Use Unlock PDF when you need a quick, private way to complete this task without creating an account or uploading files to a third-party service.
Frequently asked questions
Is Unlock PDF free to use? +
Yes. Unlock PDF is available in your browser without registration. Processing takes place locally whenever the tool supports it.