Voice-tracked teleprompter using on-device ASR in the browser
I built a teleprompter that scrolls based on your voice instead of a timer. Paste a script, press record, and it highlights the current word as you speak. If you pause it waits; if you skip lines it finds its place again. Everything runs entirely in the browser — speech recognition (Moonshine ONNX), VAD, and fuzzy script matching. Demo: https://larsbaunwall.github.io/promptme-ai Most of the project was initially built using Perplexity Computer, which made for an interesting agentic coding workflow. Curious what people think about the script alignment approach.
Voice-tracked teleprompter using on-device ASR in the browser launched on March 15, 2026 with 6 votes, #1,631 of 23,380 launches that month and more than 75% of that year's launches.
What it does
An AI-infused teleprompter that runs entirely in the browser - larsbaunwall/promptme-ai
Most teleprompters scroll at a fixed speed and expect you to keep up. This one does the opposite: it listens to your voice and tracks your position in the script in real time. If you pause it waits. If you skip a line it finds its way back. Everything runs entirely inside the browser – speech recognition, fuzzy matching, and scrolling. No backend, no accounts, no audio leaving the tab. How it works Most teleprompters scroll at a fixed speed and trust you to keep up. This one inverts that: it listens continuously and tracks your position in the script in real time. If you pause, it waits. If you ad-lib a sentence, it finds its way back. The speech recognition runs entirely inside the browser…from github.com
Does a similar job
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Ultimate Free Online Teleprompter2023 · bigvu.tv · ▲400Speak with confidence, no one will know there's a script
TelePromptor2015 · telepromptor.com · ▲401An online teleprompter to make you a better public speaker
NotchieDec 2025 · notchie.app · ▲301Hey HN! 3-4 weeks ago I was trying to record a webinar for another side project. Screen recording, full screen presentation, talking through slides — should be simple. Except I kept forgetting what I wanted to say. And every time I glanced at my notes, it was obvious on camera. Worse — when recording full screen, there's nowhere to put notes without them being captured. Tried a few teleprompter apps. They either covered half my screen, scrolled at a fixed speed I couldn't match, or showed up in the recording. So I thought: I've been a full-stack dev for 20+ years. Never touched Swift or…
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