Use the dump_versioned_json.exe utility found in the Starbound win32 or win64 folder to convert the binary file into a .json file.
This popular mod uses a that:
: An alternative engine for the game that includes a /run player.setSpecies("race") command and other identity-changing tools. 📁 Option 2: Save File Editing (Advanced) starbound change character appearance mod work
Happy exploring – and looking good while you do it. Use the dump_versioned_json