Live Captions for Your Stream, Class, or Event
Turn your browser microphone into live speech-to-text captions, then drop a clean overlay link straight into OBS, a projector, or a second screen. No paid transcription API, no software to install.
OBS Overlay Ready
A clean, buttons-free overlay link built for OBS Browser Source, so your captions never clutter your stream layout.
Classrooms & Events
Project live captions on a classroom screen, projector, or event hall display for accessibility and clarity.
Multilingual, RTL Ready
English, Arabic, Urdu, Hindi, and more, with automatic right-to-left support for Arabic and Urdu sessions.
Create a session
Sign in and name your session from the CaptionCast dashboard.
Choose your style
Pick a language, screen size, position, and caption style from the control page.
Drop it into OBS
Copy the overlay link into a Browser Source, or open it directly on any screen.
Start speaking
Click Start Listening and your words appear live, wherever the overlay is open.
Free With Your SmartKit Account
Creating a session, saving your style presets, and viewing your session history are all included free with a SmartKit account, no paid API involved.