MBTiles is a specification for storing tiled map data in SQLite databases for immediate usage and for transfer. MBTiles files, known as tilesets, must implement the specification below to ensure compatibility with devices.

• In-progress / unstable: 2.0
• Stable: 1.1
• 1.0

• UTFGrid is updated to support composited layers.

• name='format' row required in metadata table.
• name='bounds' row suggested in metadata table.
• optional UTFGrid-based interaction spec.

Implementing software is tracked on the Wiki.

• Tom MacWright (tmcw)
• Will White (willwhite)
• Justin Miller (incanus)