Live Caption Player
100% offline, real-time AI subtitles for VLC & MPV
Hey Indie Hackers! 👋
Most live transcription and subtitle tools force you into monthly cloud API subscriptions and stream your private audio over external servers. I wanted a lightweight solution that runs completely on my own machine with zero data leaving the desktop.
So I built Live Caption Player.
How it works:
Local Speech Recognition: Powered by the Vosk offline neural network acoustic model (~45MB matrix running directly on local CPU).
Native Interface: Built with PySide6 (Qt6 Python) for high-performance timeline syncing with VLC and MPV media players.
Privacy First: 100% private with no cloud servers or background data logging.
We just launched our web platform supporting monthly subscriptions, direct Windows installers, and lifetime license redemptions.
Check out the page at https://caption.stackbuildco.com and let me know what you think of the approach!
2 Comments
The privacy-first positioning is the strongest part here. Offline subtitles solve both the recurring API-cost problem and a genuine trust concern around sending private audio to external servers.