Most Tyrano devs do not use pure JSON; they encode it in Base64 to hide variables from casual players.
: TyranoBuilder save files embed specific game content information. This can sometimes lead to compatibility issues where saves from an older version of a game may not function correctly after a game update. tyranobuilder save editor
TyranoBuilder is built on a JavaScript/HTML5 framework (TyranoScript). Unlike RPG Maker, which uses binary .rpgsave files, TyranoBuilder stores your game progress in or Base64 encoded files, typically located in the browser's local storage or a physical folder on your PC (for standalone versions). Most Tyrano devs do not use pure JSON;
Depending on how the game was exported, save files are usually found in one of two places: which uses binary .rpgsave files