🔊 Text to Speech

Listen to any text using built-in browser voices — free, offline, 50+ languages

🔒 画像がデバイスの外に出ることはありません。 すべての処理はWeb Speech API (built into your browser)を使用してブラウザ内でローカルに行われます。アップロード、サーバー、追跡は一切ありません。

特長

  • 50+ Languages — Access all voices installed on your device — over 50 languages and regional accents supported.
  • Adjustable Speed & Pitch — Fine-tune playback speed from 0.5× to 2× and adjust pitch to suit your preference.
  • Word ハイlighting — Follow along as text is spoken with real-time character count and progress feedback.
  • Works Offline — Uses your browser's built-in speech engine. No internet connection or server required.

仕組み

  1. Type or paste text — Enter the text you want to hear in the text area.
  2. Pick a voice — Choose from available voices and adjust speed, pitch, and volume.
  3. Click Play — Listen to your text read aloud. Pause, resume, or stop at any time.

活用例

  • Proofread articles and emails by listening instead of reading
  • Improve accessibility for visually impaired users
  • Practice pronunciation for language learning
  • Listen to long articles or documents hands-free

よくある質問

Which browsers support this?

All modern browsers (Chrome, Edge, Safari, Firefox) support the Web Speech API. Voice availability varies by browser and operating system.

Does it work offline?

Yes. The Web Speech API uses voices installed on your device, so no internet connection is needed.

How many languages are supported?

It depends on your device and browser. Most systems have 50+ voices covering major world languages. Chrome on desktop typically offers the most voices.

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