Securing PDFs with passwords, Adobe Acrobat

1. Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. 2. If you receive a prompt, click Yes to change the security. 3.

Open the PDF in Acrobat. From the global bar in the upper left, select All tools > Protect a PDF > Protect with password.

PDFEncrypt is a free, open-source native Windows app that allows you to password protect (encrypt) PDF files for free, without purchasing expensive software.

評分 4.2 (13,462) A simple and secure web app to encrypt your PDF files with strong AES 128-bit encryption for free. Add password security to your PDF files in 5 easy steps.

評分 4.7 (8,747) Add PDF password protection to your file to protect sensitive content. When you encrypt a PDF, only people with the password can view the file content.

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.

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

Open your PDF in Adobe Acrobat and press the 'Protect' button on the right-hand side (the shield icon). Press 'Advanced Options > Encrypt with Password' in the ...

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.

Encrypting a PDF document protects its content from unauthorized access. Confidential PDF documents can be encrypted and protected with a password.