Open .obj Files Online — Free OBJ Viewer
Open OBJ File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
What Is a .obj File?
A .obj file is a 3d format known as OBJ. OBJ is a geometry definition format for 3D objects including vertices and faces. This format is created by Wavefront and is widely used by artists, game developers, and VFX studios.
OBJ files contain structured 3d data that requires compatible software to open. With OpenAnyFile, you can render and inspect .obj files directly in your browser without installing any software.
How to Open .obj Files Online
- Visit OpenAnyFile OBJ page
- Drag and drop your .obj file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the OBJ format using magic byte analysis
- View, analyze, and render and inspect your file contents in the browser
- Optionally convert to STL, FBX, DAE, GLB or download
Software That Opens .obj Files
.obj files are primarily created by Wavefront. In the 3d space, you may encounter .obj files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .obj on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .obj — use OpenAnyFile as a universal viewer
- Linux: Open-source alternatives exist, or use OpenAnyFile in any browser
- Mobile (iPhone/Android): OpenAnyFile works on all mobile browsers
Common .obj File Problems
Large OBJ files can be slow to load in web viewers.
Other common issues include: your OS not recognizing the file extension, the file appearing corrupted after download, or lacking the required software. OpenAnyFile bypasses all these issues with universal format detection.
Convert OBJ to Other Formats
OBJ files can be converted to 7 formats including STL, FBX, DAE, GLB, GLTF, PLY.
Related 3D Formats
If you work with .obj files, you may also encounter these 3d formats:
- 3DM (.3dm) — Open & convert .3dm files online
- 3DS (.3ds) — Open & convert .3ds files online
- 3ds Max (max) — Open & convert max files online
- 3MF (.3mf) — Open & convert .3mf files online
- ABC (.abc) — Open & convert .abc files online
- AMF (.amf) — Open & convert .amf files online
- BLEND (.blend) — Open & convert .blend files online
- BLEND1 (.blend1) — Open & convert .blend1 files online
- Blender (blend) — Open & convert blend files online
- BVHM (.bvh) — Open & convert .bvh files online
Popular OBJ Conversions
Frequently Asked Questions
What is a .obj file?
A .obj file is a 3d format called OBJ. OBJ is a geometry definition format for 3D objects including vertices and faces.
How do I open a .obj file without installing software?
Upload your .obj file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .obj files?
.obj files are typically created by Wavefront.
Can I convert .obj to another format?
Yes. OpenAnyFile converts .obj to STL, FBX, DAE, GLB, GLTF.
Is it safe to open .obj files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .obj on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.