一款好的 PDF 工具該具備哪些功能呢?我想這次分享的 SwifDooPDF 絕對是一款 PDF 瑞士刀等級工具,因為它具備有新增 PDF、編輯 PDF、PDF...
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Password Protect PDF - Encrypt your PDF online safely
No file size limits, no ad watermarks - A simple and secure web app to encrypt your PDF files with strong AES 128-bit encryption for free. ...(以下省略)
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免費的在線PDF加密工具,只需上傳PDF, 即可為PDF設置打開密碼和許可權密碼,限制用戶拷貝,列印等操作,安全可靠,保護您的PDF文件。完全免費,不需要註冊會員, ...
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No file size limits, no ad watermarks - A simple and secure web app to encrypt your PDF files with strong AES 128-bit en...
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Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and ...
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透過值得信賴的加密技術,在線上以密碼保護PDF。免費試用Adobe Acrobat 線上服務以密碼保護PDF 安全!
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Protect your PDF files online by adding a password that will prevent people from being able to copy or print your PDF do...
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如何移除PDF 檔案的密碼: · 將您的文件拖放到PDF 密碼移除器。 · 確認您有存取檔案的檔案權限,然後按一下「解除PDF 鎖定!」。 · 加密程序應當會立即開始。 · 進一步修改您的 ...
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No registration or watermarks. Simple and secure way to password protect your PDFs with strong AES 256 bits encryption.
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Protect your PDF files by adding a password to those documents with our safe and easy-to-use online tool. Add permission...
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Upload PDF file to protect with a password using 256-bit AES encryption. · Enter a strong password to lock your PDF docu...
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Password protect PDF files with this Free Online tool. Simple and secure way to encrypt PDF file. No registration or wat...
encrypted pdf online 參考影音
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