Synalyze It! is a simple-to-use OS X Hex Editor which will allow you to easily edit and analyze binary files of any size.
Synalyze It! features enhanced support for many character encodings and enables you to interactively define “grammars” for various file formats to speed up analysis and reduce manual decoding of files. Incremental search for strings and numbers, printing and other features make it a quite powerful tool.
Here are some key features of Synalyze It!
Automatic suggestion of grammars
Compare code pages
Incremental text search with encoding selection
Search for masks
See all strings in a file
Note: This application contains in-app and/or external module purchases.