Coolmuster PDF Encrypter allows you to add strong passwords to your PDF files to prevent PDFs from opening and being reused.
Website: https://www.coolmuster.com/
Store: Coolmuster
Giveaway: link
Download: cool-pdf-encrypter.exe
Terms
- 1-year license for version 2.1.4
- no free update/ tech support
Coolmuster PDF Encrypter helps you encrypt your PDF with a password to keep sensitive data confidential. It allows you to set the user password to open PDF files and set the owner password to change permission settings. This tool also supports 3 different encryption systems: 40-bit RC4, 128-bit RC4, and 128-bit AES.