Your local 3D file viewer – with real-time path tracing, right in the browser.
STEP · glTF/GLB · FBX · MAX · C4D · Blender · OBJ · 3MF · USD · STL · PLY · IFC · BCF · Gaussian splats (PLY/SOG) · MaterialX · HDRI (HDR/EXR)
Drop a CAD model, a mesh, a BIM file or a Gaussian splat into the window and get a studio-quality render in seconds. Everything runs locally on your GPU – no upload, no server, no install.
Highlights
- Path tracing in real time (WebGPU) – fast preview while you orbit, physically based rendering with AI denoising as soon as the camera stands still.
- Opens almost anything
- STEP via a custom CAD kernel: assemblies, colours, instancing, adjustable tessellation quality
- glTF/GLB, FBX, STL, PLY, OBJ (own reader for files of hundreds of MB, MTL materials)
- MAX (.max) via an own reader: Editable Mesh/Poly, primitives, text and splines, common modifiers (Extrude, Shell, Bend, FFD, TurboSmooth …), instances, Physical Materials
- C4D (.c4d) via an own reader: polygon objects with UVs and phong smoothing, joints and weights (skinning), keyframe animation, materials with colour and normal maps
- Blender (.blend) via an own reader on the file's self-description: meshes, Principled BSDF materials with packed textures, cameras (modifiers not evaluated)
- 3MF via an own reader: assemblies and instances, multi-part slicer projects, colours and textures
- USD (.usd/.usda/.usdc/.usdz): multi-file scenes with references, payloads and sublayers, shared geometry for referenced assets
- IFC (BIM) incl. properties, BCF issues
- MaterialX (.mtlx) with OpenPBR: materials in and out – a material as a package with textures, glTF sphere and preview
- Gaussian splats (PLY, SOG)
- Node-based materials (three.js TSL) and a material library – drag & drop onto parts in the viewport or the scene graph; UV mapping per object (box, planar, cylinder, sphere).
- Special materials – toon and contour styles, subsurface scattering (jelly, wax), glowing marble, a cloud as real volume, wool with fibres, grass with real blades, soap bubbles with thin-film colours; scattering media for cloudy liquids – juice, milk, honey, beer and more in the library.
- Studio tools – scene graph with hover outlines, move/rotate/scale gizmo, MAX-style quad menu, view cube, animated exploded view, section plane, animations with skeleton view.
- Lighting – HDRI environments (drop your own .hdr/.exr into the window) with a flattened ground dome, shadow catcher and contact shadows, ground reflections and rain puddles; an HDRI editor for your own procedural environments with sun & sky and movable light pins.
- Camera like a real lens – depth of field with bokeh blades, fisheye up to 240°, bloom, glare, lens flare and volumetric god rays; style filters from pixel art and scanlines to sketch and ASCII.
- Distributed rendering – other computers in your local network render along (paired via link and code, peer-to-peer), buckets labelled per computer.
- Output – image export (incl. transparent PNG), light passes per light source and light type plus helper passes (alpha, depth, normals, albedo, IDs) as layered EXR or PSD, save/load whole scenes, and AI rendering: send the frame plus your material names to an image model for a photoreal take.
- English and German UI.
Browser: needs WebGPU – current Chrome or Edge recommended. Large models load in parallel with shared memory (cross-origin isolation): via COOP/COEP headers on your own server (public/.htaccess), on static hosting like GitHub Pages a small service worker takes care of it.
License
Free for non-commercial use – private, education, research, non-profit – under the PolyForm Noncommercial License 1.0.0: use, change and share it.
RINDR stands on the shoulders of open-source projects. That's why commercial use needs a license: whatever it brings in goes back to open-source projects.
The open-source libraries below keep their own licenses.
Built with
RINDR is built on great open-source projects. Thanks to everyone who contributes to them!
In the viewer
HDRI environments
| Project | Used for | License |
|---|
| Open HDRI | HDRI maps for lighting and background | CC0 |
For building
