Briefly — Speech ⇄ Text

Voice ⇄ Text in your browser. Speech-to-text and text-to-speech with Web Speech, Deepgram, AssemblyAI, OpenAI, ElevenLabs.

--- Briefly turns your voice into text, and text into voice — right inside Chrome. Open the side panel, press record, and watch your words appear in seconds. No account, no signup. Three speech-to-text and three text-to-speech providers work with no API key at all. 🎙 Speech → Text • Web Speech API — free, no key, built into Chrome • Groq Whisper — free tier, very fast • Deepgram — live streaming (words appear as you speak) • AssemblyAI Universal v3 — live streaming • OpenAI Whisper 🔊 Text → Speech • Web Speech API — free, OS voices, no key • StreamElements — free, 20+ voices, no key • Google Translate TTS — free, 12 languages, no key • ElevenLabs — premium AI voices • OpenAI TTS ✨ Features • Live waveform + pulsing record button • Auto-stop on silence (1.5–6 seconds, configurable) • Push-to-talk shortcut: ⌘⇧Space (Mac) / Ctrl+Shift+Space (Win/Linux) • Translate the last recording to 14 languages — English, Spanish, French, German, Hindi, Mandarin, Japanese, Portuguese, Italian, Russian, Korean, Arabic, Turkish, Dutch • Drag-and-drop audio files to transcribe • Download recordings and synthesized audio • History of your last 50 transcripts and syntheses • Light and dark theme toggle • Retry-with-backoff on rate-limit / 5xx errors 🔐 Privacy Your API keys are stored only in chrome.storage.local on your device and are sent only to the provider you choose. Nothing goes to a Briefly server — there is no Briefly server. 👤 Built for writers, students, developers, researchers, language learners, and anyone who wants to dictate, listen, or translate without leaving the browser. --- Tips when pasting: - Chrome Web Store allows light Markdown — bold works, headings don't. The asterisks above will render as bold. - Stays well under the 16,000 char limit (~1,400 chars). - Lead line is keyword-rich for search: voice to text, text to voice, Chrome.