Project Overview
Text to Speech Online Tool is a free online TTS service based on Microsoft Edge TTS speech synthesis technology that converts text content into natural and fluent voice audio. It supports multiple languages and voice characters, and generated audio can be played online or downloaded directly as MP3 files.
Key Features
🗣️
High-Quality Voices
Powered by Microsoft Neural TTS technology, producing natural voices close to human speech.
🌍
Multi-Language Support
Supports multiple languages and voice roles, including Chinese, English, Japanese, Korean, and more.
🎛️
Customizable Controls
Freely adjust speed and pitch to customize the best voice effect for your needs.
💾
MP3 Download
Synthesized audio can be downloaded directly as MP3 files for easy offline use.
🔄
Dual-Engine Fallback
Automatically switches to the browser's built-in speech engine if Edge TTS is unavailable.
📱
Responsive Design
Optimized for various devices including desktop, tablet, and mobile, accessible anytime, anywhere.
Use Cases
- Content Creation: Quickly generate voiceovers and narration for videos, podcasts, and audiobooks.
- Language Learning: Listen to standard pronunciations to assist in foreign language learning and speaking practice.
- Accessibility: Convert long texts into audio for visually impaired users or convenient listening on the go.
- Office Productivity: Turn documents and emails into speech to free your eyes and improve efficiency.
- Development & Testing: Test speech synthesis integration and verify TTS features.
Technical Specifications
This tool is built on the following technologies:
- Speech Engine: Primary engine uses Microsoft Edge TTS (Neural Speech Synthesis), directly connecting to Microsoft speech services via WebSocket.
- Fallback Engine: Automatically switches to the browser's native Web Speech API when Edge TTS is unavailable.
- Frontend Tech: Developed with HTML5, CSS3, and native JavaScript, requiring no backend server.
- Audio Format: Edge TTS outputs MP3 format audio (24kHz, 48kbps).
- Responsive Layout: Fully compatible with desktop, tablet, and mobile browsers.
Changelog
v2.0.0 (2026-02-15)
- Complete redesign into a Text to Speech tool
- Integrated Microsoft Edge TTS speech synthesis
- Added multi-language voice support (Chinese/English/Japanese/Korean, etc.)
- Added speech speed and pitch controls
- Added MP3 audio download support
- Added Web Speech API fallback mechanism
Contact Us
If you have any questions, suggestions, or feedback, feel free to reach out via:
- Email: [email protected]
- For technical issues or feedback, please submit via GitHub Issues.
- If you find this tool helpful, feel free to share it with others!
- For privacy concerns, please refer to our Privacy Policy.
Acknowledgments
Special thanks to the following services and projects:
- Microsoft Edge TTS - For providing high-quality Neural speech synthesis services
- Web Speech API - For providing browser-native speech synthesis capabilities
- All users who use and support this tool