Puffer

Puffer, in its latest version 4.05, continues to stand out in the security field, developed by Briggs Softworks. This free download offers robust features catering to Privacy needs. The program installation file, Puffer.exe, is notably lightweight at just 2 MB, ensuring quick and easy installation. It's compatible with a wide range of Windows operating systems, including Windows XP, 7, 8, 10, and 11, providing flexibility across different setups.

Puffer specializes in general purpose 256-bit AES encryption, securing your most sensitive data. With supported extensions like ".puf", users can protect and compress their data files into zip-style PUF archives. The program also offers advanced features such as a 2048-bit Diffie-Hellman key exchange function, enabling secure email exchanges between Puffer users. In addition, it includes steganography capabilities to hide data within image pixels and the option to distribute self-decrypting archives to non-Puffer users. The permanent data wipe functions add an extra layer of security by ensuring that deleted files are irretrievable.

Compared to its previous version 4.0, Puffer 4.05 brings enhanced functionality and performance improvements within the Security category, particularly in the Privacy subcategory. Users looking for reliable and free encryption software will find Puffer to be an excellent choice.

Pros:

1. Small file size (2 MB) for quick and easy download.
2. Strong 256-bit AES encryption for data protection.
3. Comprehensive security features including Diffie-Hellman key exchange and steganography.
4. Ability to create self-decrypting archives accessible to non-Puffer users.
5. Permanent data wipe function for enhanced security.

Cons:

1. Limited to Windows operating systems only.
2. Learning curve for users unfamiliar with advanced encryption methods.
3. .puf extension may not be compatible with other software.

You may want to check out more software, such as RadPuff, ACCON-AGLink or Lakes Environmental CALPUFF View, which might be related to Puffer.