AI caption and subtitle generator that adds captions to videos in seconds with no watermark
AI platform that transforms text and photos into animated videos using multiple frontier models
Stage
Not given
MVP
Founded
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Based in
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Pricing model
Not given
Freemium
Pricing
Free: 30 minutes of captions per month, 1080p MP4 export up to 3 minutes, 8 caption styles, SRT/VTT/TXT downloads up to 30 minutes, free translation into 100+ languages. Pro: $6.99/month (limited-time price, normally $9.99) or $59/year, unlimited captions on videos up to 90 minutes, all 22 caption s
Free: $0 with 50 credits; Lite: $10/month with 500 credits/month; Pro: 1,250 credits (annual pricing offers 30% discount)
Key features
Automatic speech transcription in 100 languages with automatic language detection
SRT, VTT and TXT subtitle file downloads
Free translation into 100+ languages
Copy caption style from screenshot functionality
Bilingual captions showing two languages simultaneously on Pro
Video processing entirely in browser with audio-only server transmission for privacy
Word-level timing synchronization for precise caption timing
Text-to-video generation with semantic understanding
Image-to-video with optional end frame control
Consistent character maintenance using reference images
Lock start and end frames for controlled motion animation
AI cartoon and anime style generation
Video enhancement tools including upscale, interpolate, and stabilize
AI video effects including background replacement and character effects
Access to multiple AI models from one dashboard
Veo 3 native sound generation for video
No-watermark exports on paid plans
What makes it different
Fastest among 10 tested caption tools, 6.7× faster than CapCut and 4.7× faster than VEED
Highest accuracy with 5.7% word error rate in October 2026 accuracy test of 8 caption tools
Video stays entirely private with only audio sent for transcription
Single unified platform accessing all major AI video models without switching tools
One price model with unified credits across all engines instead of per-model subscriptions
Always access to newest models the week they ship without migrations or retraining
Creator-first pricing that scales by seconds rendered with watermark-free exports
Backed by AI Secret, a 1.7 million reader newsletter with early access to frontier models
Captions Generator
KaraVideo AI