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PDF 密码保护
为 PDF 文件添加密码加密——所有处理均在浏览器中完成
为 PDF 文件添加密码加密——所有处理均在浏览器中完成
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Your PDF is processed entirely in your browser using pdf-lib. No files are uploaded to any server. The password protection ensures the document metadata is updated and pages are repackaged securely.