pdf encrypter
pdf encrypter

Acrobat6.0和更高版本(PDF1.5)會使用128位元的RC4來加密文件。Acrobat7.0和更高版本(PDF1.6)會使用128位元密鑰大小的AES加密演算法來加密 ...,PDFEncryptisafree,open-sourcenativeWindowsappthatallowsyoutopasswordprotect(encrypt)PDFfilesforfree,withoutpurcha...

Home - PDFEncrypt - Password protect PDF files for free

PDFEncryptisafree,open-sourcenativeWindowsappthatallowsyoutopasswordprotect(encrypt)PDFfilesforfree,withoutpurchasingexpensivesoftware.NowavailableintheMicrosoft...·FAQ·License·MSIavailable(beta)

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使用密碼保護文件、Adobe Acrobat

Acrobat 6.0 和更高版本 (PDF 1.5) 會使用128 位元的RC4 來加密文件。 Acrobat 7.0 和更高版本 (PDF 1.6) 會使用128 位元密鑰大小的AES 加密演算法來加密 ...

Home - PDFEncrypt - Password protect PDF files for free

PDFEncrypt is a free, open-source native Windows app that allows you to password protect (encrypt) PDF files for free, without purchasing expensive software. Now available in the Microsoft... · FAQ · License · MSI available (beta)

PDF加密

評分 4.2 (13,462) 免費網上PDF加密服務- 以AES 128-bit高階加密標準為你的PDF檔案加密。無檔案大小限制，無廣告水印，而且安全易用。 用於安全文件處理的TLS 加密.

How to Encrypt a PDF Online for Free

You can use the Smallpdf Protect PDF tool to encrypt your PDFs with unbreakable passwords online—for free.

免費以密碼保護加密PDF

評分 4.7 (8,747) 按一下上方的「選取檔案」按鈕，或將PDF 拖放至放置區。 · 輸入密碼，然後再次輸入以確認密碼。 · 按一下「設定密碼」。 · 下載受密碼保護的PDF 文件，或登入以共用文件。

加密PDF - 在線免費PDF加密工具，無需會員

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， ...

加密PDF 檔案

加密PDF 檔案. 動詞： encryptPdf. 可用來源: <Standard>. 根據選擇的加密，來加密PDF 檔案. 語法. encryptPdf --file(String) --method(Nullable<PdfEncryptionMethod>) ...

Protect PDF. Tool to encrypt PDF with password

Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and without registration.

Encrypt PDF Files without passwords or Acrobat

Encrypting a PDF or multiple PDF files is simple and secure with Safeguard PDF Security. To encrypt PDF files, right-click on them in Windows File Explorer.

Protect PDF - Protect your PDF documents online

評分 4.7 (15,318) · 免費 · 商業/生產力 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.

How to Password Protect a PDF for Free
How to Password Protect a PDF for Free
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Encrypt (Lock) PDF with passwords for edit or view
Encrypt (Lock) PDF with passwords for edit or view
How To Password Protect a PDF For Free (No Software To Install)
How To Password Protect a PDF For Free (No Software To Install)
Work with PDF - 9-8 encrypt decrypt pdf 文档的加密与解密
Work with PDF - 9-8 encrypt decrypt pdf 文档的加密与解密
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How to Encrypt a PDF with Adobe Acrobat
How to Password Protect PDF - Tenorshare PDNob Guide
How to Password Protect PDF - Tenorshare PDNob Guide
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How to generate an encrypted password-protected PDF document ...
How to password protect PDF free online with Adobe Acrobat
How to password protect PDF free online with Adobe Acrobat
Advanced functional training: PDF encryption and ...
Advanced functional training: PDF encryption and ...

pdfencrypter

Acrobat6.0和更高版本(PDF1.5)會使用128位元的RC4來加密文件。Acrobat7.0和更高版本(PDF1.6)會使用128位元密鑰大小的AES加密演算法來加密 ...,PDFEncryptisafree,open-sourcenativeWindowsappthatallowsyoutopasswordprotect(encrypt)PDFfilesforfree,withoutpurchasingexpensivesoftware.NowavailableintheMicrosoft...·FAQ·License·MSIavailable(beta),評分4.2(13,462)免費網上PDF加密服務-以AES128-bit高階加密標準為你的PD...

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