Free browser-based tools to view, format, validate, compare, escape and convert JSON.
3D Model Viewer
3D Model Viewer — Free browser-based 3D model viewer. Open GLTF, GLB, OBJ, STL and FBX files instantly – no upload, no sign-up, all processing stays on your device.
About 3D Model Viewer
3D Model Viewer is a free tool that lets you open and inspect 3D models (GLTF, GLB, OBJ, STL, FBX) directly in your browser with orbit, pan, and zoom controls.
Simply drag and drop or select a 3D file and start viewing instantly. Perfect for:
Quickly previewing 3D models without installing software
Designers, students, and makers checking files
Privacy-first viewing (files never leave your device)
Lightweight inspection of 3D assets
No upload to any server, no sign-up, no watermarks. 100% free and private.
Built by RDJ Publishers – a growing collection of free online tools for students, designers, and everyday users.
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