Everything you need. Nothing you don't.
CaptionFlow does one thing better than anyone else: turning raw footage into scroll-stopping captions.
AI Transcription
Whisper-powered speech-to-text with word-level timing across many languages.
Premium Presets
Hormozi, TikTok, Podcast, Cinema and more — one click to a polished look.
Full Customization
Fonts, colors, stroke, shadow, animation, position — tune every detail.
Live Preview
See every change instantly, right on your video.
Blazing Fast
From upload to export in minutes, not hours.
1080p MP4 Export
Export a web-ready MP4 capped at 1080p with broad player compatibility.
From upload to export in minutes.
Upload your video
Drag and drop any clip. We handle the rest.
AI transcribes it
Whisper generates accurate captions in seconds.
Pick a style
Choose a preset or fully customize the look.
Export & post
Download a web-ready 1080p MP4 and publish it.
Simple pricing. Cancel anytime.
Start free. Upgrade when you're ready to scale.
Frequently asked questions
MP4, MOV, M4V and WebM are supported up to 250 MB and 30 minutes. We recommend MP4 for the fastest processing.
CaptionFlow uses a hosted Whisper large-v3 model with word-level timestamps. Accuracy varies with language, accent and audio quality, and every caption remains editable.
Yes. Every caption is fully editable in the editor — text, timing, position, and style.
CaptionFlow exports a compatible H.264 MP4 and preserves the source aspect ratio. Videos above 1080p are downscaled to a maximum long side of 1920 pixels.
Absolutely. You can upgrade, downgrade, or cancel at any time from your account settings.