Generated illustration for Sarah, a American English female Kokoro voice

Sarah

Grade C+ Kokoro

🇺🇸 American English · ♀ Female Voice

warm
Listen to natural sample audio
Use Sarah Voice in TTS →

About the Sarah Voice

Sarah is a female American English AI voice rated C+ on the OfflineTTS quality scale. Speech synthesis runs in your browser with no signup or per-character fees.

Voice character: Warm

Best for: Storytelling & narration

How to use the Sarah voice:

  • Open the [TTS tool](/app/?voice=af_sarah)
  • "Sarah" will be automatically selected in the voice picker
  • Type or paste your text (up to 50,000 characters per batch)
  • Click generate — speech is created locally on your device
  • Download as studio-quality WAV or compact MP3

Quality rating explained: C+ indicates this voice provides clear, intelligible output suitable for drafts and rapid prototyping.

The Sarah voice uses Kokoro's browser phonemizer and local WebGPU or WebAssembly synthesis. After the initial model download, English generation works completely offline.

Explore other American English voices or browse the [complete voice library](/voice/) for your project.

Best For: Storytelling & narration

Sarah's warm, natural tone makes it ideal for storytelling, audiobooks, educational content, and any project that needs a friendly, engaging voice.

Generate speech with Sarah now →

Sarah Voice — Frequently Asked Questions

Is the Sarah voice free to use?

Yes. The Sarah voice is completely free. It runs in your browser with no API key, no signup, and no subscription limits. Generate as much speech as you need at zero cost.

Does the Sarah voice work offline?

Yes. After the initial model download is cached in your browser, the Sarah voice can generate speech completely offline without internet connectivity.

What quality rating does the Sarah voice have?

The Sarah voice is rated C+ on our quality scale. This is a solid, clear voice that produces intelligible and natural speech for content creation.

Can I export WAV and MP3 with Sarah?

Yes. After generating speech with Sarah, you can download uncompressed 24kHz WAV files for studio editing or compressed MP3 files for sharing and publishing.

Can I use the Sarah voice for commercial projects?

Yes. The models used on OfflineTTS support commercial content creation. You can use generated audio in YouTube videos, podcasts, audiobooks, and commercial voice-overs.

Ready to use Sarah?

Experience natural American English speech synthesis in your browser with zero setup or character fees.

Open Sarah Voice in TTS Studio →