AI caption and subtitle generator that adds captions to videos in seconds with no watermark
Transfer movements and expressions from reference videos to static images with precision
Stage
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Pricing model
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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
Starter: $42.00/month (annual) or $50.00/month (monthly) - 5000 credits/month, 100 seconds video motion transfer/month. Pro: $84.00/month (annual) or $100.00/month (monthly) - 10000 credits/month, 200 seconds video motion transfer/month. Ultimate: $167.00/month (annual) or $200/month (monthly) - 200
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
Dynamic reference motion with skeletal structure analysis
Full-body synchronization with 99% anatomical accuracy
Temporal attention layers for seamless character consistency
Motion retargeting to stylized characters
Adaptive physics matching for proportional characters
Precise facial expression mapping and micro-expressions
Lip synchronization for dialogue and speech
Gaze tracking and eye direction control
Video generation up to 60 seconds with temporal consistency
Cloud-based rendering on any device
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
Eliminates jitter and motion instability with proprietary stability algorithms
Supports up to 60 seconds of continuous video without loss of character identity
Preserves artistic style and texture consistency during motion
Integrated action library for instant animation without reference videos
Parallel generation and simultaneous video processing