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glTF (GL Transmission Format)

Open Beta

.gltf · model/gltf+json

glTF is a modern open format for 3D scenes and models. Buildings are extruded to 3D with textures and materials. The standard for web 3D (three.js, Babylon.js) and game engines.

Export glTF now ✨ Open Beta — free, no limits

Key Features

✓3D buildings with heights

✓PBR materials

✓JSON format (human readable)

✓Animation and texture support

Example glTF export (central Moscow, 1x0.5 km) — Example: central Moscow, ~1×0.5 km, medium detail

What Program Opens glTF Files

The following programs and applications can open, edit, and work with glTF (GL Transmission Format) (.gltf) files exported from OSM2CDR:

🎲Blender 💻three.js 💻Babylon.js 🎮Unity 🎮Unreal Engine 💻Cesium

Format specifications

Open standard
3D coordinates supported
Lossless (no quality loss)
Stores feature attributes
Output: 3 files in archive
glTF 2.0 (Khronos). JSON + binary buffers, ZIP includes textures. Streaming-friendly, native browser support via three.js.

Who Uses glTF Maps

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Web 3D Visualization

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Game Engines

📊

AR/VR Applications

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3D City Maps

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Digital Twin

How to Export glTF

Select area

Draw a rectangle or polygon on the interactive map at osm2cdr

Choose glTF

Select glTF (GL Transmission Format) from the list of 127 available export formats

Export

Click Export and receive your .gltf file in 1-5 minutes

Download

Download the ready glTF file and open it in Blender

Popular maps in glTF

Free

Get glTF (GL Transmission Format) map exports

Download professional glTF maps from OpenStreetMap. Instant generation, any area.

Free / export

Export glTF now →

Frequently Asked Questions

Which layers are included in the 3D model? ▼

Is terrain relief included? ▼

What's the difference between glTF and GLB? ▼

Can I view it in a browser? ▼

Where do building heights come from? ▼

Compare with Other Formats

⚖ STL vs GLTF ⚖ GLTF vs FBX ⚖ COLLADA vs GLTF

Related Formats

Frequently Exported Together

glTF+🏠STL 🏠OBJ 🏠GLB

format

glTF — The JPEG of 3D: Khronos's Web, AR/VR, and Games Format, with OSM Building Export

Khronos Group's glTF 2.0 since June 2017: JSON + .bin + PBR materials, Draco compression, GLB binary container, OSM buil

tutorial

How to Export 3D Buildings from OpenStreetMap to STL for 3D Printing

Step-by-step guide: export OpenStreetMap buildings with real heights to STL, glTF and OBJ for 3D printing, architectural

usecase

CityJSON and Digital City Twins: From OSM to Smart City

CityJSON for 3D city models, LOD levels, BIM integration, applications in Smart City projects and urban planning.