AI caption and subtitle generator that adds captions to videos in seconds with no watermark
AI carousel designer for Instagram and TikTok
Stage
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Founded
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Based in
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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 credits to start with no credit card required. Paid credits available through monthly and yearly subscription options.
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
Style copying without content replication
Brand customization with logo, fonts and example posts
Individual slide editing
Multiple aspect ratios for different platforms
Web research and real browser integration
Multiple AI model support including Claude, GPT, Gemini, Grok, Kimi, Qwen and DeepSeek
Bulk download as ZIP or individual PNG export
No design skills required
Non-expiring credits
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
Chat-first agent interface for carousel design
Automated web research ensures carousel content has real substance
Edit individual slides without affecting others
Copy style from existing carousels while maintaining original content
Support for multiple AI models with adjustable reasoning levels