OpenTune: Free AI Pitch Correction Plugin for Windows macOS
OpenTune is a free, open-source AI pitch correction plugin for Windows and macOS developed by YuFeng926. The beta release is available now on GitHub with no sign-up required and no licensing restrictions — the code and binary are royalty-free for any use.
Features and workflow
- AI-based pitch detection and correction modeled on Melodyne and Auto-Tune workflows
- Real-time and offline processing modes
- VST3 and CLAP formats for major DAWs
- Adjustable correction strength, speed, and scale snap
- Open-source MIT license — modify, redistribute, or embed commercially
System requirements
- Windows 10/11 (64-bit) or macOS 11+ (Apple Silicon and Intel)
- VST3 or CLAP compatible host
- ~50 MB disk space
Current limitations
The interface is Chinese-only in this beta, which may slow adoption for non-Chinese speakers. Documentation is minimal, and the developer notes that pitch detection on complex polyphonic material is still experimental. Expect updates as the project moves toward 1.0.
Bottom line: OpenTune delivers a functional free AI pitch correction plugin for Windows and macOS in beta, royalty-free under MIT license, available now on GitHub.
FAQ
Is OpenTune really free with no strings attached? Yes, the plugin and source code are released under the MIT license — free for personal and commercial use with no registration.
What plugin formats does OpenTune support? VST3 and CLAP on both Windows and macOS; no AU or AAX builds yet.
Where do I download the latest beta? Direct from the GitHub releases page: https://github.com/YuFeng926/OpenTune/releases