WHAT IT DOES
CaptionLab in full
CaptionLab helps creators turn raw video into clear, polished captions without typing every word by hand. Upload a clip, choose your caption language, and let AI create timed subtitles you can review, edit, style, and export. It is built for short-form creators, educators, coaches, podcasters, agencies, and anyone who needs videos to be understandable with the sound on or off.
WHY CREATORS USE CAPTIONLAB
- Generate accurate captions from your videos
- Translate captions to 40+ languages
- Edit every subtitle in a synced caption timeline
- Style captions for clean, bold, karaoke, and creator-ready looks
- Export SRT and VTT subtitle files
- Export captioned video with burned-in subtitles
- Keep caption projects organized in your history
BUILT FOR GLOBAL VIDEO
CaptionLab supports English, Roman Urdu, Hindi, Arabic, Spanish, French, German, Japanese, Korean, Chinese, Portuguese, Turkish, Persian, and many more languages. Mixed-language videos are handled with context-aware AI so names, slang, and important terms are easier to preserve.
CAPTIONLAB PRO
- Upgrade to Pro for AI captions, all languages, premium caption styles, HD video export, and watermark-free output. Choose weekly, monthly, or yearly access with clear plan limits:
- Weekly. 10 videos per week, up to 5 minutes each
- Monthly. 60 videos per month, up to 20 minutes each
- Yearly. 900 videos per year, up to 30 minutes each Whether you are posting clips, tutorials, product demos, lessons, ads, or social videos, CaptionLab gives you a faster way to create captions that look finished.
WHY THIS MATTERS TO YOU
CaptionLab is ours. We designed it, built it, shipped it through store review, and we keep it running.
That means the work behind it was not theoretical: onboarding that had to convert, data that had to stay correct, releases that had to pass review, crashes that had to be found before users did, and running costs that had to stay sensible. Those are the same problems your product will have.
We have made the expensive mistakes on our own products, on our own time. You get the result rather than the tuition fee.
COMMON QUESTIONS
CaptionLab, answered
What is CaptionLab?
CaptionLab is a ai tools & utilities app built by ApexStack. Generates video subtitles, styles them and exports them ready to publish.
What devices does CaptionLab work on?
CaptionLab runs on iOS and Android. It is published on both the App Store and Google Play.
Who made CaptionLab?
CaptionLab was designed, built and is maintained by ApexStack, a product engineering company. It is our own product, not client work, and the same team is available to build software for other businesses.
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Download it, use it, judge the work. Then tell us what you are trying to build.