Kokori

for macOS

Transform text to speech with a powerful macOS app.

Over 50+ voices, speed control, and seamless menubar integration.

Download for mac Buy a license

Why you'll love it

Designed for developers, creators, and anyone who needs fast, reliable text-to-speech—without the hassle. Here's what makes this macOS app the perfect local TTS solution.

Unlimited Text-to-Speech

Generate as much speech as you want—no quotas, no throttling, no restrictions.

Works Out of the Box

Zero setup required. Just install and start converting text using your preferred voice, speed, and pitch.

Built-in Logging

Track every request and catch errors easily with detailed, local logs.

Desktop interface

A clean and intuitive desktop interface for easy use.

Stop Wasting Money on Testing

Avoid costly API calls while developing. Run your TTS workflows entirely offline.

Made for Developers

Everything you need is bundled in. No external installs or configs—just download and go.

Choose Your Voice

Switch between multiple built-in voices to match your app's tone or your personal preference.

Local API Server

Runs entirely on your machine—fast, private, and fully offline. No external requests, ever.

Audio generation history

Automatically store TTS generated audio files locally for easy access and reuse.

Detailed Logs

Monitor all requests and catch errors easily with detailed, local logs.

Simple API Integration

Integrate text-to-speech into your app with just a few lines of code. The built-in REST API is clean, consistent, and easy to use—send plain text, and get high-quality audio in response. It just works. No SDKs, no cloud setup, and no surprises.

POST http://localhost:5002/tts

  {
    "text": "Transform text to speech...",
    "voice": "en_us_heart",
    "speed": 1.0
  }

200 OK 348 ms

Available Voices

Choose from a wide selection of high-quality voices across multiple languages. Each voice is optimized for natural-sounding speech with consistent quality.

American English

Female Voices

• af_heart (🚺❤️) - High Quality (A)
• af_bella (🚺🔥) - High Quality (A-)
• af_nicole (🚺🎧) - Medium Quality (B-)
• af_alloy (🚺) - Medium Quality (C)
• af_aoede (🚺) - Medium Quality (C+)
• af_kore (🚺) - Medium Quality (C+)
• af_sarah (🚺) - Medium Quality (C+)
• af_sky (🚺) - Medium Quality (C-)
• af_nova (🚺) - Medium Quality (C)
• af_jessica (🚺) - Low Quality (D)
• af_river (🚺) - Low Quality (D)

Male Voices

• am_fenrir (🚹) - Medium Quality (C+)
• am_michael (🚹) - Medium Quality (C+)
• am_puck (🚹) - Medium Quality (C+)
• am_echo (🚹) - Low Quality (D)
• am_eric (🚹) - Low Quality (D)
• am_liam (🚹) - Low Quality (D)
• am_onyx (🚹) - Low Quality (D)
• am_adam (🚹) - Low Quality (F+)
• am_santa (🚹) - Low Quality (D-)

British English

Female Voices

• bf_alice (🚺) - High Quality (A)
• bf_emma (🚺) - High Quality (A-)
• bf_isabella (🚺) - Medium Quality (B)
• bf_lily (🚺) - Medium Quality (B-)

Male Voices

• bm_daniel (🚹) - Medium Quality (B)
• bm_fable (🚹) - Medium Quality (B-)
• bm_george (🚹) - Medium Quality (C+)
• bm_lewis (🚹) - Medium Quality (C)

Other Languages

Japanese

• jf_alpha (🚺)
• jf_gongitsune (🚺)
• jf_nezumi (🚺)
• jf_tebukuro (🚺)
• jm_kumo (🚹)

Mandarin Chinese

• zf_xiaobei (🚺)
• zf_xiaoni (🚺)
• zf_xiaoxiao (🚺)
• zf_xiaoyi (🚺)
• zm_yunjian (🚹)
• zm_yunxi (🚹)
• zm_yunxia (🚹)
• zm_yunyang (🚹)

Spanish

• ef_dora (🚺)
• em_alex (🚹)
• em_santa (🚹)

French

• ff_siwis (🚺)

Hindi

• hf_alpha (🚺)
• hf_beta (🚺)
• hm_omega (🚹)
• hm_psi (🚹)

Italian

• if_sara (🚺)
• im_nicola (🚹)

Brazilian Portuguese

• pf_dora (🚺)
• pm_alex (🚹)
• pm_santa (🚹)