1. Capsai Auto Subtitle Generator
   Capsai offers instant AI-powered subtitles in Tamil, Telugu, Kannada, Hindi and English. Upload your video or paste its URL, select the regional language, and download SRT/VTT files or a video with burned-in captions within seconds.
   Link: https://capsai.co/auto-subtitle-generator
   
   
2. YouTube Studio Auto-Generated Captions
   YouTube Studio now supports auto-generated captions in Tamil, Telugu and Kannada. Open YouTube Studio, go to Subtitles → Add Language, choose your target language, then review, edit and publish the free subtitle track.
   Link: https://support.google.com/youtube/answer/6373554
   
   
3. Kapwing Studio
   Kapwing’s free plan lets you auto-transcribe videos into over 60 languages, including Tamil, Telugu and Kannada. Upload your clip, generate subtitles, fine-tune timing and styling in the visual editor, then export watermark-free at 720p.
   Link: https://www.kapwing.com/subtitles
   
   
4. Subtitle Bee
   Subtitle Bee uses AI to transcribe audio and translate into multiple languages. The free tier covers up to 20 minutes per month and supports exporting clean Tamil, Telugu or Kannada SRT files or burned-in videos.
   Link: https://subtitlebee.com
   
   
5. Amara
   Amara is a community-driven subtitle platform where volunteers create or translate captions. Paste your video URL, request a Tamil, Telugu or Kannada track, then embed or download the resulting SRT file for use on any player.
   Link: https://amara.org

Each of these tools provides a no-cost way to generate accurate subtitles for Tamil, Telugu and Kannada content, helping you reach and engage South Indian audiences more effectively.