Free & Instant

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

.STL.OBJ

Maximum file size: 500 MB · Multiple files supported

100% private — files are processed in your browser, never uploaded

How It Works

STL to OBJ in 4 Easy Steps

Convert STL to OBJ in seconds — no sign-up, no upload, no catch.

  1. 1

    Upload STL file

    Drag & drop your .stl 3D model or click Browse.

  2. 2

    Select OBJ format

    OBJ is auto-selected as the output.

  3. 3

    Convert locally

    Your 3D model is converted to OBJ format in the browser.

  4. 4

    Download OBJ

    Save your OBJ file, ready for any 3D software.

Use Cases

Why convert STL to OBJ?

  • Open STL files in Blender or Maya
  • Import 3D prints into CAD software
  • Convert 3D models for game engines

Related 3D Models Conversion Tools

Need to convert other formats? Try these popular free online tools.

.obj.stl
OBJ to STL
.glb.gltf
GLB to GLTF
.ply.stl
PLY to STL
FAQ

Frequently Asked Questions

Yes. All vertices, faces, and normals are faithfully converted.

Yes. Both ASCII and binary STL formats are supported.