Speech Tools

Test your browser's built-in text-to-speech and speech-to-text engines. Speak any text with adjustable voice, rate, pitch, and volume, with live word-highlighting as it's spoken; or dictate speech into a live, accumulating transcript with interim and final results across multiple languages.

Speech Tools

Test your browser's built-in text-to-speech and speech-to-text engines. Speak any text with adjustable voice, rate, pitch, and volume, with live word-highlighting as it's spoken; or dictate speech into a live, accumulating transcript with interim and final results across multiple languages.

Common uses

  • Preview how a voice sounds before using it in an app
  • Test speech recognition accuracy in different languages
  • Compare available system voices and their pitch/rate
  • Dictate text via microphone and copy the transcript

Frequently asked questions

Can I use Speech Tools to preview how a voice sounds before using it in an app?

Yes. Speech Tools can preview how a voice sounds before using it in an app, directly in your browser.

Can I use Speech Tools to test speech recognition accuracy in different languages?

Yes. Speech Tools can test speech recognition accuracy in different languages, directly in your browser.

Can I use Speech Tools to compare available system voices and their pitch/rate?

Yes. Speech Tools can compare available system voices and their pitch/rate, directly in your browser.

Is my data uploaded to a server?

No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.