Open3D Viewer
Free viewer for STL, GLB, STEP — replaces Windows 3D Viewer
Open3D Viewer launched on August 12, 2026 with 3 votes, #2,940 of 23,274 launches that month and more than 50% of that year's launches.
What it does
Free 3D file viewer for STL, GLB, OBJ, FBX, STEP, IGES and more. Direct replacement for Microsoft 3D Viewer (removed July 2026). Works on Windows, Android, iOS, and in any browser. No account, no upload — files stay on your device.
Free replacement for Microsoft 3D Viewer (removed July 2026). Open STL, GLB, OBJ, STEP, IGES and more in your browser or on Windows, Android, iOS — no upload, no account, fully offline.
Drop a file. No upload, no account, no install. Also the free replacement for Windows 3D Viewer on desktop. Open3D Viewer is an independent app — not the Open3D library from open3d.org. The formats people actually have on their drive — from the web's glTF standard to the FBX files Maya and Unreal ship. The web's standard for 3D — meshes, materials, animation, packed into one file. Editable glTF with external textures. Common output from Blender, Sketchfab, and most engines. The interchange format for Maya, Blender, Unreal, Unity. Rigs, skinning, animation tracks. The lingua franca of 3D printing. Triangle meshes, nothing else. The 35-year-old standard everything still exports to. Mesh…from open3d.app
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3D Viewer for Google DriveJan 2026 · 3dviewer.co · ▲91I use a ton of 3D Files as I love 3D printing in my spare time and I usually exchange them over Gmail and store them in Google Drive etc.. Google does not have a 3D Preview of files so I've built a small Google Workspace Addon that opens the file into a clean "Google like" web app that supports most files. Other solutions existed but they were full of ads and looking absolutely terrible. It got a bit of traction (around 400 users) on the store so thought I would share it here! Would love to have feedback! Each file is treated purely in the browser for maximum privacy
Goxel, an open-source 3D voxel editor2015 · github.com · ▲71Goxel: Free and Open Source 3D Voxel Editor . Contribute to guillaumechereau/goxel development by creating an account on GitHub.
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