🎬 About Caption Burner
ALPHA
Automatic caption generation for vertical videos, powered by AI.
What is Caption Burner?
Caption Burner is a simple, fast tool that automatically adds stylish captions to your vertical videos. Perfect for content creators making videos for TikTok, Instagram Reels, YouTube Shorts, and other social media platforms.
Upload your video, pick a caption style, and get back a professionally captioned video in minutes. No editing software, no manual typing, no hassle.
How It Works
- Upload: Select your vertical video (up to 90 seconds, max 300MB)
- Choose Style: Pick from 4 professionally designed caption styles
- Position: Choose where captions appear (top, center, or bottom)
- Process: Our AI transcribes and renders captions onto your video
- Download: Get your captioned video in 3-5 minutes
Features
🤖 AI Transcription
Powered by OpenAI Whisper for accurate speech-to-text
🎨 4 Caption Styles
Bold Pop, Minimal Clean, Neon Glow, Playful Bounce
📍 3 Positions
Top, center, or bottom placement (safe from UI controls)
⚡ Fast Processing
Most videos ready in 3-5 minutes
🎬 Animated Previews
Hover to see how each style animates
🔒 Privacy First
Videos auto-deleted after 24 hours
Why Caption Burner?
Captions are essential for modern social media content:
- 85% of videos are watched without sound - Captions keep viewers engaged
- Accessibility - Make your content available to deaf/hard-of-hearing viewers
- Higher retention - Viewers watch longer when captions are present
- Better reach - Algorithms favor accessible content
- Save time - Manual captioning takes hours, we do it in minutes
Current Status: Alpha
Caption Burner is currently in alpha testing. This means:
- The service is free to use while in alpha
- Features are being actively developed and improved
- We're gathering feedback to make the service better
- Some features may change based on user needs
- Service availability is not guaranteed during testing
We need your feedback! After processing your video, please take a moment to rate your experience and leave comments. Your feedback directly shapes the future of Caption Burner.
Technology Stack
Caption Burner is built with:
- OpenAI Whisper: State-of-the-art speech recognition
- FFmpeg: Professional video processing
- FastAPI: High-performance Python web framework
- Advanced SubStation Alpha (ASS): Precise caption styling and timing
Who Made This?
Caption Burner is developed by an independent creator who believes caption generation should be simple, fast, and accessible to everyone. No complex software, no subscriptions (yet), just a tool that works.
Roadmap
Planned improvements after alpha:
- More caption styles
- Custom style editor
- Batch processing
- Longer video support
- Additional languages
- Export to multiple formats
Note: Features depend on alpha feedback and user demand.
Contact & Support
Have questions, feedback, or found a bug?
Email: [Your Email Address]
We typically respond within 24-48 hours during alpha testing.
Privacy & Terms
We respect your privacy and content rights:
- Videos are automatically deleted after 24 hours
- We don't share or sell your content
- You retain all rights to your videos and captions
- Read our full Privacy Policy and Terms of Use
Credits
Special thanks to:
- OpenAI for Whisper (open-source speech recognition)
- FFmpeg team for powerful video processing
- Alpha testers providing valuable feedback
Ready to create amazing captioned videos?
🎬 Start Creating