pdfsecurity

2024年1月24日 — 藉由在Adobe Acrobat PDF 中新增安全性方法，您可以限制只有指定的使用者可以檢視、編輯、列印和其他選項。

2024年1月8日 — 除了重複使用安全性設定，儲存在Adobe Experience Manager Forms Server (Document Security) 的策略還可讓您決定文件過期和廢止文件。您也可稽核開啟受 ...

PDF Security is important to protect and secure your documents and data. Learn how to protect and secure your documents with iText.

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 ...

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.

2023年9月26日 — PDFs can carry embedded malware or viruses, exploiting vulnerabilities in software to infect the user's device. An infected PDF file containing ...

Unlock PDF. Remove PDF password security, giving you the freedom to use your PDFs as you want. Upload your file and transform it. Select PDF files.

PDF Security components · PDF Encryption. Encryption is used to prevent unauthorized users from accessing your PDF files. · PDF Restrictions · DRM controls.

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.