Add your FBX file
Drop one or more .fbx files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
FBX to GLTF
Converting a .fbx mesh to .gltf rewrites the same triangles for a different toolchain. Free, private, and validated — the file never leaves your browser.
Private for supported formats — processed in your browser
Runs on your deviceConvert supported files
Drop FBX files here
Batch files can each use a different output. Nothing uploads for local conversions.
Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.About converting Autodesk FBX model to glTF mesh
Converting a .fbx mesh to .gltf rewrites the same triangles for a different toolchain. An .fbx file is a 3D scene interchange document that can carry polygon geometry, transforms, materials, textures, cameras, skeletons and animation in either a compact binary encoding or a readable ASCII encoding. It is broader than a mesh file: one FBX may describe a complete authored scene.
A .gltf file is the JSON form of Khronos glTF 2.0: it describes nodes, meshes, accessors, and buffer references in text, often pairing with external .bin buffers or embedding them as data: URIs. It is the editable, inspectable sibling of binary .glb. For this route the practical draw is human-readable scene description and same data model as GLB, so round-trips are straightforward — balanced against external buffer URIs make a lone .gltf file incomplete, which is worth knowing before you commit a large batch.
Why convert FBX to GLTF?
The practical trigger for this conversion is usually a mismatch: with .fbx, proprietary and version-sensitive. Switching to .gltf buys you human-readable scene description, which is why it is the better fit for inspecting or hand-editing mesh package structure. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.
FBX vs GLTF at a glance
| Aspect | Autodesk FBX model (.fbx) | glTF mesh (.gltf) |
|---|---|---|
| Format type | Lossless — every pixel or sample is preserved exactly | Vector — resolution-independent geometry instead of pixels |
| How it stores data | binary FBX starts with the Kaydara FBX Binary signature; ASCII FBX starts with a comment naming the FBX version | uTF-8 JSON with required asset.version 2.0 and optional scenes, nodes, meshes, accessors, bufferViews, and buffers |
| Strongest at | moving authored scenes between DCC applications | inspecting or hand-editing mesh package structure |
| Weak spot | proprietary and version-sensitive | external buffer URIs make a lone .gltf file incomplete |
| Metadata | scene transforms are applied to geometry; names, materials, animation, cameras and authoring metadata are not preserved by the geometry-only route | copyright and generator strings sit under asset; application-specific data is commonly stored in extras |
Pick GLTF as the output
Select .gltf in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if GLTF is selectable, the route is real and validated.
Convert on your device
Press Convert. The mesh is parsed, retriangulated where needed, and rewritten locally with full validation.
Verify and download
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid GLTF file. Outputs keep the original filename with the .gltf extension.
FBX to GLTF questions, answered
Will converting FBX to GLTF lose quality?
Since fbx is lossless-oriented and gltf is vector-oriented, the conversion preserves the source content exactly as stored; no additional compression pass is applied beyond what .gltf itself requires.
Is it private to convert FBX files here?
Yes — the .fbx file is processed inside your browser tab and never uploaded. The mesh is parsed, retriangulated where needed, and rewritten locally with full validation. Close the tab and the file is gone from memory.
Where will the GLTF file work?
The same ecosystem that reads .glb generally reads .gltf, provided referenced buffers resolve. Browser viewers, Blender, and engine importers expect either embedded data URIs or co-located .bin files.
Will the GLTF file be bigger or smaller than my FBX?
It depends on the content: uTF-8 JSON with required asset.version 2.0 and optional scenes, nodes, meshes, accessors, bufferViews, and buffers. Convert one representative file first and compare before batch-processing a large set.
What happens to the metadata in my FBX file?
In .fbx, scene transforms are applied to geometry; names, materials, animation, cameras and authoring metadata are not preserved by the geometry-only route. Re-encoding through the browser pipeline does not carry embedded metadata into the output, which doubles as a privacy scrub — check the exported file if you specifically need tags preserved.