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Jannie

4.6 (324 reviews)
Verified Popular

Kokoro TTS is an AI tool that converts written text into lifelike speech. It's super efficient, supports many languages like English, French, and Japanese, and is perfect for creating audiobooks, training videos, or making content more accessible. It's also free and open-source.

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What is Jannie?

Who It's For

Kokoro TTS is for anyone who needs to turn text into speech. This includes e-book publishers, corporate trainers, educational bloggers, podcast creators, and anyone looking to make digital content more accessible. It's also great for developers who want to integrate high-quality voice synthesis into their applications.

What You Get

You get natural-sounding voices in multiple languages, including English, French, Korean, Japanese, and Mandarin. The tool is very efficient, generating high-quality audio quickly. You can also customize voice options and automatically segment content for things like audiobooks. It's free to use for both personal and commercial projects.

How It Works

Kokoro TTS uses a smart AI model to convert your written text into speech. Despite its small size, it creates very clear and natural voices. It can process text quickly, even long inputs, and supports various voice styles. You can try it online or integrate it into your own projects using its compatible features.

Features & Capabilities

⚙️ Core AI Functionality

82M Parameter Efficiency

Achieves high-quality speech synthesis with a lightweight 82 million parameter model, ensuring faster performance and reduced resource consumption.

Real-Time Audio Generation

Delivers ultra-fast audio generation powered by NVIDIA GPU acceleration, ensuring smooth, high-quality synthesis without delays.

High-Quality Natural Voices

Produces natural-sounding, lifelike voice synthesis, providing stable and clear audio output across various applications.

🌍 Multilingual & Customization

Multilingual Support

Supports multiple languages including English, French, Korean, Japanese, and Mandarin, enabling diverse content creation for global audiences.

Customizable Voicepacks

Offers a selection of lifelike and stable voice options, allowing users to choose specific tones and styles to suit unique project needs.

Automatic Content Segmentation

Features automatic chapter and section detection, simplifying the conversion of long texts like e-books and articles into well-organized audio.

🔗 Developer & Integration

OpenAI-Compatible Endpoint

Seamlessly integrates with OpenAI APIs, providing developers with extended functionality and new opportunities for application incorporation.

Long Text Input Processing

Efficiently processes up to 510 tokens in a single pass, making it suitable for generating longer audio outputs quickly.

Screenshots & Demo

See Jannie in action with screenshots and video demonstrations

Product Screenshots

Jannie

Jannie

Transforming text into natural voices with just 82M parameters.

Ready to see more?

Experience Jannie firsthand with a free trial or schedule a personalized demo.

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Real-World Use Cases

Automating Audiobook Production for Publishers

E-book publishers face challenges in efficiently converting their extensive libraries into high-quality audiobooks, especially for diverse genres and languages. Kokoro TTS leverages its natural-sounding, multilingual voice synthesis and automatic content segmentation to streamline the creation of audiobooks, enabling publishers to expand their offerings and reach a broader audience.

Industry: Publishing, Digital Media • User Type: E-book Publishers, Content Creators, Independent Authors

Generating Multilingual Training and E-learning Content

Corporations and educational institutions need to create engaging training materials and tutorials for global teams or diverse student populations. Kokoro TTS provides efficient, natural-sounding voiceovers in multiple languages (English, French, Korean, Japanese, Mandarin), allowing organizations to quickly produce high-quality, accessible instructional audio and video content, saving time and resources.

Industry: Corporate Training, E-learning, Education • User Type: Corporate Trainers, Instructional Designers, HR Departments, E-learning Developers

Improving Digital Content Accessibility for Diverse Audiences

Many individuals prefer or require audio versions of written content due to visual impairments, learning disabilities, or simply preference. Kokoro TTS enables content creators, bloggers, and accessibility consultants to easily convert articles, blog posts, and other digital text into natural-sounding speech, making information more accessible and inclusive for a wider audience.

Industry: Digital Publishing, Education, Non-profit (Accessibility), Media • User Type: Educational Bloggers, Accessibility Consultants, Content Marketers, Webmasters

Accelerating Podcast and Audio Content Production

Podcast creators and digital content producers often need to quickly transform written scripts into engaging audio episodes. Kokoro TTS offers ultra-fast, real-time audio generation with lifelike voices, allowing creators to efficiently produce high-quality podcast episodes, news briefings, or other audio content from their text, significantly reducing production time.

Industry: Podcasting, Digital Media, Content Creation • User Type: Podcast Creators, Digital Content Producers, Journalists

Frequently Asked Questions

Need more information?

For specific questions about Jannie, pricing, or technical support, please contact the Jannie team directly through their official website.

Specifications
Available via:
Browser
API
Browser
Built for:
Individual
Startup
Business
Complexity:
Developer
Programming knowledge required
Pricing Plans

✓ Free plan

Integrations

OpenAI

Docker

ONNX

Hugging Face