Convert GLB to glTF in your browser
GLB is a documented container: a JSON chunk plus an optional binary buffer. Unpacking it back to readable .gltf is lossless, and it happens entirely in your tab — the binary buffer is embedded as a data URI so the .gltf file stands on its own.
GLB → glTF converter
Runs entirely in this browser tab. Your file is never uploaded and nothing is stored.
أفلِت ملف GLB هنا، أو اضغط لاختياره
or — no sign-up required
هل تحتاج إلى متخصص في CAD/BIM للتعديل على هذا الملف؟
هل تحتاج إلى معالجة ملف CAD أو نموذج ثلاثي الأبعاد؟ انشر فرصة عمل تحدد صيغة المصدر والصيغة المطلوبة والفحوص اللازمة، واتفق على نطاق العمل قبل البدء.
خطوة بخطوة
- 1Drop the .glb file above.
- 2Download the .gltf — it is formatted JSON you can open in any text editor to inspect nodes, meshes, materials and extensions.
- 3Edit material names, node names or extension settings directly if that is why you unpacked it.
- 4Re-pack to GLB in your authoring tool or with the glTF-Transform CLI when you are done.
أمور يجب الحذر منها
- The geometry buffer is embedded as base64, which makes the .gltf roughly a third larger than the original GLB. That is expected for a self-contained file.
- Nothing is re-encoded: meshes, textures, animations and extensions are carried across byte for byte.
- Draco or Meshopt compressed buffers stay compressed, so the viewer still needs those extensions.
glTF packed into a single binary container. Documented, so unpacking it back to .gltf is lossless and can be done in the browser.
The Khronos open runtime 3D format — JSON plus buffers. The web and game-engine standard for delivering models.
أسئلة يطرحها الرسامون الفنيون
Why unpack GLB at all?
To read or edit the scene graph by hand — fixing material names, stripping a node, or checking which extensions a supplier's asset depends on.
Is any quality lost?
None. The JSON is reformatted and the buffer re-encoded as base64; the actual data is identical.
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