GLTF Viewer · Convert OBJ/STL
3D Model File Reader & Inspect
About
View and inspect 3D models in glTF and GLB formats with advanced rendering and animation playback. Offers a full inspector for scene graph, materials, and animations. Advanced features like export and AR require an in-app purchase.
What's New in GLTF Viewer · Convert OBJ/STL
1.5.1
October 4, 2026
Minor refinements. (GLTF Viewer · Convert OBJ/STL)
MoreDeveloper apps
FAQ
What 3D file formats can GLTF Viewer open?
GLTF Viewer can open .gltf and .glb 3D model files. It also supports Draco-compressed geometry and KTX2/Basis-compressed textures within these formats.
Does GLTF Viewer support animations?
Yes, GLTF Viewer allows you to play back embedded animations within your 3D models. You can scrub through the timeline, switch between animation clips, and adjust playback speed.
What are the advanced features available through in-app purchase?
The in-app purchase unlocks features such as exporting models to other formats (GLB, glTF, OBJ, STL, PLY, USDZ), viewing models in Augmented Reality (AR), tap-to-measure distances, advanced render modes, and high-resolution screenshot capture.
Can I view my models in AR with GLTF Viewer?
Yes, GLTF Viewer offers an AR viewing mode that allows you to place and view your 3D models in your real-world space using USDZ Quick Look. This feature requires an in-app purchase.
How does GLTF Viewer handle large 3D files?
GLTF Viewer is designed to handle very large files gracefully. For models exceeding 400MB, it automatically switches to a full data inspector mode, even if a live 3D preview is not available.
Is an account or login required to use GLTF Viewer?
No, GLTF Viewer does not require an account or login. You can open files directly from your device's Files app, iCloud Drive, Mail, AirDrop, or any app's Share Sheet.
What is the update frequency for GLTF Viewer?
GLTF Viewer was last updated on October 4, 2026, indicating active development. The current version is 1.5.1.
What is the age rating for GLTF Viewer?
GLTF Viewer has an age rating of 4+, making it suitable for a wide range of users including younger individuals interested in 3D models.
