AccuRIG is a modern auto-rig generator for humanoid characters. It was developed by Reallusion and is available for free as a stand-alone software for Windows PCs. While Accurig is designed to work seamlessly with other Reallusion software like Character Creator and iClone, the generated rigs and skinning can also be exported to any software through FBX. For Blender there is a free addon which converts the AccuRIG armatures to a Rigify control rig.
AccuRIG Workflow
Rigging a character with AccuRIG is simple. You need to prepare the character model and export it in FBX format. Then drag-and-drop the fbx into AccuRig and let the software process it. In most cases the processing detects the main features of the character such as shoulders, wrists, knees, etc.
You should check the accuracy of the automatic placement and tweak them if needed. If you’re rigging the hands, they’ll most likely need manual adjustment but the process is quick and intuitive.
Once the marker placement is complete, you can finalize the rig. This will generate bones and apply weights/skinning to the character. If you’re not happy with the results, you can go back to the marker stage and tweak things.
Watch the video below for a visual demonstration of the workflow.
AccuRIG Main Strengths
AccuRIG helps you generate a human rig (including skinning/weighting) with minimal effort. For standard characters, the automatic results are excellent. The workflow is smooth and intuitive.
The weighting algorithms are particularly powerful and optimized for each part of the body. This usually produces higher quality skinning than other automated solutions such as Blender’s Automatic Weights. Still, some additional manual weight painting may be necessary for absolutely perfect deformations.
AccuRIG Weaknesses
Rigging non-standard human characters is also feasible: it is possible to create rigs for characters with missing limbs, holding props, or wearing clothing and even solid armor. The non-standard workflows are accessible but not as intuitive as the standard workflow. You may have to go through the AccuRIG documentation to successfully complete some of them.
As a specialized software, AccuRIG is limited to rigging humanoid characters. Other meshes like animals are outside the scope of the application.
AccuRIG does not provide Face rigging functionality.
Some problems which I noticed in the initial release were fixed or improved in subsequent updates: viewport navigation and interaction became easier with the ability to quickly switch to different views, and the new wireframe and bone display.
However, there is still no Undo function. This is not a major drawback because most operations are not destructive but it is a strange limitation to see in a modern software in 2026.
AccuRIG VS Mixamo
When AccuRIG first came out, I thought it would finally defeat the hegemony of Mixamo. Both applications are similar in functionality but AccuRIG is significantly more modern. However, AccuRIG did not really turn out to be the Mixamo “killer” we expected. This was most likely due to the fact that while AccuRIG is free, it feels more closed and integrated into the Reallusion ecosystem.
Integration of AccuRIG with other software is actually quite easy but it did not gain the popularity of Mixamo. See the video tutorials below for AccuRIG and Blender integration worflows. They even show how to apply Mixamo animations to AccuRIG characters.