AI video translation lets you take a video in one language and generate a version in another language — with voice cloning that sounds like the original speaker.

Best Free Tools

1. CapCut — Best Free Overall

Price: Free
Platform: Desktop/Mobile

Features:
- Auto-translate captions
- Voice cloning for dubbing
- Multiple language support
- Sync with video timeline

How to use:
1. Import video with speech
2. Auto-generate captions
3. Translate captions to target language
4. Generate AI voiceover
5. Sync and export

2. Rask.ai — Best for Quality

Price: Free (limited)
Platform: Web

Features:
- Professional AI dubbing
- Voice cloning
- Lip sync
- 60+ languages

3. HeyGen — Best for Presenters

Price: Free (limited)
Platform: Web

Features:
- AI avatar + dubbing
- Voice translation
- Lip movement sync
- Professional output

4. Dubverse — Simple Online Tool

Price: Free (5 min)
Platform: Web

Features:
- Upload video
- Select target language
- AI generates dubbed version
- Download

Language Support

Tool Languages Voice Cloning
CapCut 10+ âś… Basic
Rask.ai 60+ âś… Professional
HeyGen 40+ âś… Avatar sync
Dubverse 30+ ❌

Summary

  • Best free: CapCut (free, good quality)
  • Best quality: Rask.ai (professional dubbing)
  • Best for avatars: HeyGen (talking head + translation)
  • Quick & simple: Dubverse