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mc-api Map Art Converter
Appenweier, Germany
What it is
mc-api Map Art Converter turns an image into a Minecraft map file or a block plan for building the picture in-game. The web tool accepts PNG, JPEG, or WebP images up to 8 MB. Map-file output preserves transparency and supports four shades across 244 colours. A block plan identifies where blocks go and includes a materials list; flat plans use up to 61 colours and staircase plans up to 183. Users can choose Floyd–Steinberg dithering or no dithering, while palette control is fixed. The API accepts raw image bytes and can return a .dat map file, PNG preview, or JSON block plan. A conversion returns one map file, or a ZIP if the map grid exceeds a single map. To display the picture in a world, users place downloaded map_.dat files in that world's data folder. The service costs nothing, and each API conversion uses one credit. The provider does not guarantee availability or response times, and says the service is not affiliated with Mojang or Microsoft.
For and against
For
- Accepts PNG, JPEG, and WebP images up to 8 MB
- Map output preserves transparency
- Block plans include placement information and a materials list
- API can return map files, previews, or JSON plans
Against
- Palette control is fixed
- Each API conversion uses one credit
- No availability or response-time guarantee
The verdict
The converter offers both map-file and construction-plan outputs, with dithering options and API formats. The service is free, but it has no availability or response-time guarantee.
Who it suits
It suits Minecraft players who want to turn an image into a map file or use a block and materials plan to build it in-game.
Plans and prices
Free service
Service is free of charge · map art API: one credit per conversion · no availability or response-time guarantee
Read 4 Oct 2026 · mc-api.bisai.dev
On the record
- API formats
- The map art API accepts raw image bytes and can return a .dat map file, a PNG preview, or a JSON block plan.mc-api.bisai.dev · read 4 Oct 2026
- API output limit
- A conversion returns one map file or a ZIP when the map grid is larger than one map.mc-api.bisai.dev · read 4 Oct 2026
- Block plan output
- The block plan includes which block goes where and a material list; the page says flat plans reach 61 colours and staircase plans 183.mc-api.bisai.dev · read 4 Oct 2026
- Dithering
- Offers Floyd–Steinberg dithering or no dithering.mc-api.bisai.dev · read 4 Oct 2026
- Hosting
- The maker says the application, database, and caches run on its own server infrastructure, with Cloudflare in front for delivery and attack absorption.mc-api.bisai.dev · read 4 Oct 2026
- Image input
- Accepts PNG, JPEG, or WebP images up to 8 MB.mc-api.bisai.dev · read 4 Oct 2026
- Integrations
- The page instructs users to put downloaded map_<n>.dat files in a world's data folder so the map item displays the picture.mc-api.bisai.dev · read 4 Oct 2026
- Map output
- The map file option preserves transparency and supports all four shades across 244 colours.mc-api.bisai.dev · read 4 Oct 2026
- Not affiliated
- The site states it is not affiliated with Mojang or Microsoft.mc-api.bisai.dev · read 4 Oct 2026
- Provider
- The imprint identifies Leon Janz as the service provider and gives an address in Appenweier, Germany.mc-api.bisai.dev · read 4 Oct 2026
- Purpose
- Converts an image into a Minecraft map file or a block plan for building it in-game.mc-api.bisai.dev · read 4 Oct 2026
- Security and privacy
- The privacy policy says the site connection uses TLS/HTTPS and the service uses short-lived Redis-cached IP addresses for quotas and abuse protection.mc-api.bisai.dev · read 4 Oct 2026
- Support and availability
- The terms say the service has no guaranteed availability, features, response times, or data retention; the imprint invites users to contact the provider about issues.mc-api.bisai.dev · read 4 Oct 2026
