Developers use alts.json to store alt-text (alternative text) for images. For instance, in some media library extensions, this file maps image filenames to their corresponding accessibility descriptions, allowing a website to inject alt attributes dynamically.
In the world of Minecraft "hacked" clients or mod managers, an alts.json file is often used by an Alt Manager . It stores a list of a user's alternative accounts (usernames and session tokens) so they can switch between them quickly without restarting the game.
"accounts": [ "username": "PlayerOne", "uuid": "...", "token": "..." , "username": "TestBot99", "uuid": "...", "token": "..." ] Use code with caution. alts.json
Some accessibility platforms (like UserWay) may use an alts.json cookie or session file to provide specific accessibility modifications for a user. What is usually inside an "alts.json" file?
Some desktop applications use this file to save "generated alts"—accounts or keys pulled from an external API (like KingGen) for testing or other purposes. Developers use alts
"logo.png": "Company logo in blue and white", "banner_01.jpg": "Autumn sale banner showing discount codes", "profile_placeholder.svg": "Generic user avatar silhouette" Use code with caution.
Alternatively, a gaming account manager might use it to store credentials or session IDs: It stores a list of a user's alternative
Because "alts.json" is a generic naming convention, its purpose varies significantly across different platforms: