TTSLab – A voice AI agent and TTS lab running in the browser via WebGPU

Show HN: TTSLab – Text-to-speech that runs in the browser via WebGPU

TTSLab – A voice AI agent and TTS lab running in the browser via WebGPU operates in show hn launch.

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I built TTSLab — a free, open-source tool for running text-to-speech and speech-to-text models directly in the browser using WebGPU and WASM. No API keys, no backend, no data leaves your machine.When you open the site, you'll hear it immediately — the landing page auto-generates speech from three different sentences right in your browser, no setup required.You can then try any model yourself: type text, hit generate, hear it instantly. Models download once and get cached locally.The most experimental feature: a fully in-browser Voice Agent. It chains speech-to-text → LLM → text-to-speech, all running locally on your GPU via WebGPU. You can have a spoken conversation with an AI without a sing

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Website: ttslab.dev