Alts.json Apr 2026

As a JSON file, it typically contains key-value pairs. A snippet for an accessibility-focused file might look like this:

Because "alts.json" is a generic naming convention, its purpose varies significantly across different platforms: alts.json

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. As a JSON file, it typically contains key-value pairs

Alternatively, a gaming account manager might use it to store credentials or session IDs: Alternatively, a gaming account manager might use it

"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.

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.