stl 3mf

Convert STL 3D Model to 3MF 3D Model Online

Convert STL to 3MF online for free. Fast, secure file conversion with no registration required.

STL vs 3MF

STL 3MF
Full Name STL 3D Model 3MF 3D Model
Category 3D Model 3D Model
MIME Type application/sla application/vnd.ms-package.3dmanufacturing-3dmodel+xml
File Extension .stl .3mf
Max Upload 100 MB —

How to Convert STL to 3MF

  1. Select your STL file using the upload area above
  2. Click "Convert to 3MF" to start the conversion
  3. Wait for the conversion to complete
  4. Download your 3MF file

About STL Format

STL (Stereolithography) is the standard file format for 3D printing. It represents 3D surface geometry as a mesh of triangles, without color or texture information. Supported by virtually all 3D printing software and services.

About 3MF Format

3MF 3D Model is a 3d model file format. Convert it to STL, OBJ, glTF, or other 3D formats for printing, rendering, or game development.

Frequently Asked Questions

Upload your STL file using the upload area above, then click "Convert to 3MF". The conversion starts automatically and you can download the result when it's ready.

Yes, FileCraft's STL to 3MF converter is completely free with no registration, watermarks, or hidden fees. You can convert as many files as you need.

Yes. Your files are processed securely and automatically deleted from our servers after conversion. We do not store, share, or access your files.

Most 3d model files convert in a few seconds. Larger files may take slightly longer depending on file size and complexity.

You can upload STL files up to 100MB for free conversion. For most use cases this is more than sufficient.

Other STL Conversions

84 formats
STL HDR STL 3DS STL 3G2 STL 3GP STL AAC STL AC3 STL AIF STL AIFF STL AMR STL APNG
STL HDR STL 3DS STL 3G2 STL 3GP STL AAC STL AC3 STL AIF STL AIFF STL AMR STL APNG STL ASF STL AVI STL AVIF STL BMP STL DAE STL DPX STL DTS STL DV STL EAC3 STL EXR STL F4V STL FBX STL FITS STL FLAC STL FLV STL GIF STL GLB STL GLTF STL ICO STL J2K STL JP2 STL JPEG STL JPG STL JSON STL JXL STL M2TS STL M4A STL M4B STL M4V STL MKV STL MLP STL MOV STL MP2 STL MP3 STL MP4 STL MPEG STL MPG STL MTS STL MXF STL OBJ STL OGA STL OGG STL OGV STL OPUS STL PAM STL PBM STL PCX STL PGM STL PLY STL PNG STL PPM STL QOI STL RA STL RM STL SGI STL SPX STL STP STL SWF STL TGA STL TIF STL TIFF STL TS STL TTA STL VOB STL WAV STL WBMP STL WEBM STL WEBP STL WMA STL WMV STL WV STL XBM STL XML STL Y4M

Convert to 3MF

20 formats
3DS 3MF AMF 3MF BLEND 3MF DAE 3MF DXF 3MF FBX 3MF GLB 3MF GLTF 3MF IFC 3MF OBJ 3MF
3DS 3MF AMF 3MF BLEND 3MF DAE 3MF DXF 3MF FBX 3MF GLB 3MF GLTF 3MF IFC 3MF OBJ 3MF PLY 3MF RAW 3MF STEP 3MF STP 3MF USD 3MF USDA 3MF USDC 3MF USDZ 3MF X3D 3MF XML 3MF