Convert STL to OBJ 3D Model Online — Free Converter
Transform STL 3D models to OBJ format for broader software compatibility.
Upload your file
Drag & drop your .stl file here, or browse
Multiple files supported
Maximum file size: 500 MB · Multiple files supported
100% private — files are processed in your browser, never uploaded
STL to OBJ in 4 Easy Steps
Convert STL to OBJ in seconds — no sign-up, no upload, no catch.
- 1
Upload STL file
Drag & drop your .stl 3D model or click Browse.
- 2
Select OBJ format
OBJ is auto-selected as the output.
- 3
Convert locally
Your 3D model is converted to OBJ format in the browser.
- 4
Download OBJ
Save your OBJ file, ready for any 3D software.
Why convert STL to OBJ?
- Open STL files in Blender or Maya
- Import 3D prints into CAD software
- Convert 3D models for game engines
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Need to convert other formats? Try these popular free online tools.
Why Convert STL to OBJ with Mr. Converter?
Discover why millions of users trust Mr. Converter for fast, secure, and accurate STL to OBJ file conversions directly inside their browser.
100% Private & Secure
- ✓Zero File Uploads: Conversions execute locally on your machine using browser WebAssembly.
- ✓No Cloud Storage: Your confidential data never touches remote servers or third-party databases.
- ✓GDPR & Privacy Compliant: Complete end-to-end privacy for sensitive documents and media.
Lightning Fast & Unlimited
- ✓Instant Processing: Skip queue wait times and server upload delays.
- ✓No File Size Limits: Convert large STL files without artificial size restrictions or paywalls.
- ✓No Email Required: Instant direct downloads without registration or credit cards.
Format Comparison: STL vs OBJ
| Feature / Property | STL Format | OBJ Format |
|---|---|---|
| Primary Category | Source Document / Media | Target Converted File |
| Browser Compatibility | Standard Compatible | 100% Universal Support |
| File Compression | Uncompressed / Original Struct | Optimized & Portable |
| Privacy & Encryption | Preserved during conversion | Encrypted output supported |
| Typical Use Case | Editing & Content Creation | Sharing, Archiving & Publishing |
Frequently Asked Questions
Yes. All vertices, faces, and normals are faithfully converted.
Yes. Both ASCII and binary STL formats are supported.