
1. getvivix (Caption Studio) — best for auto-captions + full ai studio
Caption Studio auto-captions uploads with Whisper (95–98% accuracy, 90+ languages), exports 9:16, 1:1, 16:9, or 4:5 — one tool in a 100+-model studio.
- Max resolution / max length
- Uploads up to 2 hours
- Native audio
- Whisper transcribes captions; voice/TTS tools included
- Free route
- 1 clip credit + 3 credits on signup, 3/day, no card
- On getvivix
- Yes
- The honest catch:
- Opens to a simpler screen if captions are genuinely all you need.







