Live Speech-to-Text for anything

Start the mic and see captions in real time. Sub‑second latency, developer‑friendly, accessibility‑first.

View docs →

Demo discards audio after session

LIVE DEMO

Try it instantly

Click to start speaking or paste a stream URL

Video/Stream URL:

Supports: MP4, WebM, OGV files • HLS streams (.m3u8) • RTMP streams
Note: Videos must be CORS-enabled for audio access

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Ultra-low latency

Sub-300ms partials with a rolling 3-line display tuned for readability.

Flexible inputs

Mic, file, HLS, and RTMP. Stream audio over WebSocket or via server ingest.

Privacy first

Demo discards audio after session. No storage unless you opt in.

Developers

Send 16 kHz PCM over WebSocket, receive JSON updates with partial and final transcripts.

Try the live demo →

import { LiveSTT } from "@livestt/js";

const stt = new LiveSTT({ apiKey: "xxxx-xxxx-xxxx" });

await stt.mic.start();

stt.on("transcript", (t) => {
  console.log(t.text);
});

from livestt import LiveSTT

stt = LiveSTT(api_key="xxxx-xxxx-xxxx")

with stt.microphone() as stream:
    for t in stream.transcripts():
        print(t.text)

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