Thiruttham: Tamil Spell Checker, Grammar Check & Tanglish Typing

Check formal Tamil spelling and ottru rules in Gmail, WordPress and web text boxes. Type Tamil with English letters. Rules plus AI.

Thiruttham helps you write correct, formal Tamil wherever you already type — Gmail, WordPress, Blogger, forums, and plain web forms. Click the check button that appears near any text field to get grammar and spelling corrections, each with a plain-Tamil explanation of why — nothing is ever applied automatically, and nothing is checked until you ask for it. • Deterministic grammar and spelling rules — free, instant, and work offline • AI-assisted corrections for context-dependent errors rules alone can't catch • Tanglish (romanized Tamil) to Tamil script conversion as you type — currently in beta • A personal dictionary so names and words you choose are never touched • Pause Thiruttham on any site you don't want it active on Your writing is never used to train AI models. See our Privacy Policy for exactly how your text is handled: https://thiruttham.com/privacy