base85 implements Base85 encoding and decoding for Node.js. It supports the most commonly known specifications; ascii85, zeromq, and ipv6 (RFC1924). It is excellent for encoding arbitrary (possibly binary) data into a text string which can easily be copy-pasted to source code files or e-mails.
The Generic Image Decoder (GID) is an Ada package for decoding a broad variety of image formats, from any data stream to any kind of medium, be it an in-memory bitmap, a GUI object, some other stream, floating-point data for scientific calculations, a browser element, a device, etc. Animations are supported.
Japplis Toolbox is a compilation of text utilities in one application. It can encode and decode URL, Base64, Hex, SoundEx, or Metaphone. It can convert numbers from/to binary, octal, decimal, and hexadecimal, and to date. It gives you text information such as character count, word count, MD5, or SHA. You can get Java system properties, environment variables, or Swing default values. It checks and finds regular expressions. It can also manipulate lines of text by sorting, reversing, shuffling, deleting duplicates, trimming spaces, or numbering lines.