Netflix has been investing heavily in regional language dubs. They have a specific "Audio" setting that lets you switch to Tamil for many animated titles.
If you are looking for the best animated experiences available in Tamil, here are a few categories to explore: tamil animation dubbed movie download
Disney+ Hotstar is arguably the biggest library for Tamil dubbed animation. Since Disney owns Pixar, Marvel, and Star Wars, almost all their animated content is available here with high-quality Tamil audio tracks. Netflix has been investing heavily in regional language dubs