Convert STL to 3MF — Free Online

Easily convert your Stereolithography files to 3D Manufacturing Format format. Secure, fast, and completely free.

Drag & drop your 3D file here

or click to browse

Convert to:
1

Upload STL

Drag and drop or select your STL file from your device.

2

Convert to 3MF

Choose 3MF as output format and click Convert Now.

3

Download File

Your newly converted 3MF file will be ready to download instantly.

Frequently Asked Questions

First, click the 'Select File' button or drag and drop your STL file into the upload area. Then, select 3MF as the target format from the dropdown menu and click 'Convert Now'. Your converted file will be ready to download shortly.