JSON is a format used to store data. In Minecraft, JSON format is used to store the following data:
- Text in written books, signs, custom names and the
/tellraw,/title, and/bossbar[Java Edition only] commands. - The file
pack.mcmetathat describes a Java Edition resource pack and data pack[Java Edition only]. - The
manifest.jsonthat describes a Bedrock Edition add-on - Files in a resource pack that define models, sound events, and UI[Bedrock Edition only].
- Files in a behavior pack the define entity behaviors.
- Advancements and statistics (as
.minecraft/saves/*/data/stats/*.json) - Minecraft launcher profiles file (as
.minecraft/launcher_profiles.json) - Information about downloaded versions (as
.minecraft/versions/*/*.json)