AI caption and subtitle generator that adds captions to videos in seconds with no watermark
AI agent for creating motion graphics by describing videos in chat
Stage
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Founded
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Based in
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DE
Pricing model
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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 Start plan with monthly credit allowance; PRO plan with monthly or yearly billing (prices not specified on pages); credit packs available for PRO users
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
Edit animations in words without keyframes
Live preview with play, pause and scrub controls
Upload and integrate your own footage, photos and logos
AI-composed music and sound effects synced to animation rhythm
Built-in library of open-licence fonts for Latin and Cyrillic
AI image and clip generation within projects
Template-based project setup with style presets
MP4 video export
3D effects rendering in code
Chat-based interface for animation direction
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
No timeline or keyframe editing required—control animations entirely through natural language chat
Instant preview updates as you refine your animation requests
AI automatically composes music and sound effects to match your animation
Works in browser with guest or signed-in workflows
Includes AI-generated images and clips alongside hand-built assets
Captions Generator
Motion Fab