當你有重要的 PDF 檔案需要上鎖,卻找不到工具可以使用嗎?那就讓這款 Password protect PDF 最佳 PDF 上鎖工具來幫你搞定吧!Passw...
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Protect PDF - Protect your PDF documents online - PDF2Go
Protect your PDF files online by adding a password that will prevent people from being able to copy or print your PDF document. Secure PDF files for free. ...(以下省略)
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PDFEncrypt is a free, open-source native Windows app that allows you to password protect (encrypt) PDF files for free, w...
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2023年12月18日 — A free, open-source alternative to Acrobat is PDFEncrypt, which offers a simple yet effective way to pas...
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Password protect PDFs online with trusted encryption. Try Adobe Acrobat online services to password protect and secure y...
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You can use the Smallpdf Protect PDF tool to encrypt your PDFs with unbreakable passwords online—for free. ... password ...
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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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Free online tool to password protect PDF files and to set PDF security settings. No quality loss. Without installation. ...
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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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Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and ...
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2023年12月19日 — 1. PDFforge. PDFforge is an online PDF protector that helps keep your important files safe. It works lik...
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You can protect your PDF documents using special PDF locker software. Here're the top 5 free PDF lockers that are worth ...
pdf lock free 參考影音
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