Addon Validator for Blender

Blender addon for tested on 4.2.9, 4.5.9 and 5.1 for validating and checking mesh/addon integrity:

Analyze all installed addons and check for the issues that may cause problems, errors. Useful especially if you use a lot of old addons, some of them might be outdated, causing problems, or crashing.

Usage

Addon Validator add-on

• Go to N panel → Addon Validator
• Press Run validator. Wait - if you have a lot of addons, it might take a while.

Features

• Validating all addons with one click
• See common errors causing addons why they don't work in Blender
• Re-check, Open folder, or uninstall

Update 1.0 (17.05.2026)

• First version of addon. Tested only on Blender 4.2.9, 4.5.9 and 5.1. Possible tweaking will be applied in future if needed.