Convert AI-generated text into natural, human-like writing
AI caption and subtitle generator that adds captions to videos in seconds with no watermark
Stage
Startup
Not given
Founded
2025
Not given
Based in
GB
Not given
Pricing model
Free
Not given
Pricing
100% free
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
Key features
Instant humanization with results in seconds
Context-based accuracy that preserves meaning
Two humanizing modes: Super Lite and Super Ultra
Undetectable output that passes AI detection tools
Works on all devices and browsers
Privacy-first with no data sharing
Humanize up to 1200 words per run
Trained on 15 million human-written samples
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
What makes it different
Advanced technology trained on real human writing patterns rather than surface-level rewrites
Two powerful processing modes with different intensity levels for various content needs
Combines AI analysis with careful language design to restore human authenticity
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