AI caption and subtitle generator that adds captions to videos in seconds with no watermark
Create and post authentic content every day without writing, filming, editing or using AI
Stage
Not given
MVP
Founded
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Based in
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SI
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
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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
Automatic recording of Zoom, Google Meet, Microsoft Teams, Slack and FaceTime calls
AI-powered moment extraction and transcription
Automatic video editing and captioning
Brand Guard removes client names and unconfirmed figures
One-click approval and scheduling through Buffer
Local processing with no cloud upload of raw calls
Multiple template styles and customizable branding
Vertical shorts formatted for LinkedIn, YouTube Shorts and Instagram
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
Records only your side of the call, not other participants
Everything processes locally on your Mac, raw calls never uploaded
Requires no filming, scripting, editing or manual content creation
Captions Generator
Zero-Hour System