There was a download of BlowFish 3.4 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is Gregory Braun.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The default filenames for the program's installer are bfacs.exe or BlowFish.exe etc. The program lies within Security Tools, more precisely Antivirus. The latest version of the software can be downloaded for PCs running Windows XP/Vista/7/8/10/11, 32-bit. The most popular versions of the tool 3.4 and 3.2.
From the developer:
BlowFish is an easy-to-use program to encrypt files. You can easily encrypt or decrypt files by dragging and dropping to the program window. You can also access the program through the Windows popup menu, by right-clicking on the file to be encrypted.
You may want to check out more software, such as Fugu the Blowfish, PINs or BCArchive, which might be related to BlowFish.