.MD3 File

File extension md3 is most likely best known for its use in Quake III, a multiplayer-focused first-person shooter video game. It is an old game which was very popular in game centers to play against friend using lan connection.

A .md3 file contains many model data information.

mime: application/octet-stream

Files with md3 extension are used for the Quake III Arena multiplayer-focused computer game. They include model data files.

How to open:

Except for its intended use in Quake 3, you can also view these models dedicated 3D viewers.

How to convert:

Some 3D modeling tools still support MD3 format and may allow you to export or convert it to other formats.