Check Invalid Faces

About

Checks for invalid faces in mesh objects. After the operator operation, objects with problematic polygons will be highlighted, and objects with correct polygons will not be highlighted. In the editing mode problem polygons or vertices will have selection

Mode

• Active Object - Active object
• Selected Objects - Selected objects
• All Objects - All objects from blend-file

Check Face Area

Check for polygons that have an area close to zero

Check UV Area

Check for polygons that have UV map area close to zero

Sources

Source