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Online 3D Converter

What it is

Online 3D Converter converts 3D models between supported file formats in a browser. Users can drag and drop a model or open one from their device, then convert it without installing software. Listed formats include 3DM, 3DS, 3MF, AMF, BIM, BREP, DAE, FBX, FCSTD, GLTF, IFC, IGES, STEP, STL, OBJ, OFF, PLY, and WRML. The site says files are not uploaded because conversion happens entirely in the browser. Conversions usually take place instantly, though speed depends mainly on file size and complexity. The tool works on most modern mobile browsers, while very large files may run more smoothly on desktop devices. It is free and displays advertisements to help fund hosting and maintenance. The homepage provides example models for several formats, including 3DM, 3DS, 3MF, FBX, STEP, STL, and OBJ. For model visualization, measurements, and calculations, the site points users to a related 3D Viewer tool.

For and against

For

  • Runs in a browser with no installation.
  • Files stay on the device during conversion.
  • Supports a broad list of 3D formats.
  • Free to use.

Against

  • Displays advertisements.
  • Very large files may run more smoothly on desktop.
  • Conversion speed depends on file size and complexity.

The verdict

Online 3D Converter offers browser-based conversion across many listed formats, with files kept on the device. Consider the model’s size and complexity, especially when working on a mobile browser.

Who it suits

This tool suits people who need to convert models among its listed formats without installing software. It can also suit mobile-browser users, provided their models are not very large.

Plans and prices

Free

Free

Free service · advertisements displayed

Every plan, in full

On the record

Conversion speed
Conversions usually happen instantly, with speed depending mainly on file size and complexity.3dconverter.net · read 10 Oct 2026
Example files
The homepage offers example models for several formats, including 3DM, 3DS, 3MF, FBX, STEP, STL and OBJ.3dconverter.net · read 10 Oct 2026
File privacy
The site says files are never uploaded and conversion happens entirely in the browser.3dconverter.net · read 10 Oct 2026
How to use
Users can drag and drop a model or open a file from their device, then convert it.3dconverter.net · read 10 Oct 2026
Installation
No installation is required because the tool runs inside the browser.3dconverter.net · read 10 Oct 2026
Mobile support
The tool works on most modern mobile browsers, though very large files may run more smoothly on desktop devices.3dconverter.net · read 10 Oct 2026
Price
The service is completely free and displays advertisements to help fund hosting and maintenance.3dconverter.net · read 10 Oct 2026
Purpose
Online 3D Converter converts 3D models between supported file formats in a browser.3dconverter.net · read 10 Oct 2026
Related tool
The site points users to 3D Viewer for model visualization, measurements and calculations.3dconverter.net · read 10 Oct 2026
Supported formats
The site lists 3DM, 3DS, 3MF, AMF, BIM, BREP, DAE, FBX, FCSTD, GLTF, IFC, IGES, STEP, STL, OBJ, OFF, PLY and WRML.3dconverter.net · read 10 Oct 2026

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