AI caption and subtitle generator that adds captions to videos in seconds with no watermark
Studio-quality demo videos made from your real product by AI
Stage
Not given
MVP
Founded
Not given
Not given
Based in
Not given
US
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
The skill is free. The app is in early access with one free hosted video to start; pricing to be announced.
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
Creates videos from real product screens without stock footage
Four video types: launch, explainer, spotlight and ad
Multiple formats from one project: landscape, vertical and 15 or 30 second cuts
AI writes story with hook, problem and resolution
Checks every frame before showing the video
Edit by commenting directly on the video
Generates thumbnails in every platform size
Only changed scenes are rebuilt when UI updates
Works with Claude Code, Codex, Gemini CLI, Figma and ElevenLabs
Free voices included with ElevenLabs integration
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
Free and open source with no per-video cost
Runs on your computer using your own Claude plan
Every format generated from one project automatically
Captions Generator
Ultrademo