What is ChordMini?
Chord Mini is an advanced, open-source tool that automatically transcribes the chords and rhythm of any song you provide. Designed for musicians, producers, and developers, it transforms complex audio into a clear, interactive musical guide, making it easier than ever to learn, analyze, and build with music.
Key Features
🎼 Advanced Chord Recognition Go beyond basic transcription. Chord Mini uses state-of-the-art machine learning models to identify a wide range of chords with high precision. It intelligently uses a reasoning LLM (Gemini) for enharmonic correction, ensuring the output is musically coherent and accurately reflects complex progressions and key changes.
🥁 Intelligent Beat Detection Pinpoint the rhythmic foundation of any track. The system provides precise beat tracking, automatic BPM detection, and time signature identification (e.g., 4/4, 3/4). By leveraging models like Beat-Transformer, it accurately identifies downbeats and handles tricky pickup beats, giving you a reliable rhythmic map of your audio.
📊 Real-time Interactive Visualization Don't just see the chords; interact with them. Chord Mini presents the analysis in a dynamic chord grid and beat map that syncs perfectly with audio playback. You can click on any beat to jump to that moment in the song, making it an intuitive tool for practice and detailed analysis.
</> Powerful and Open API for Developers Integrate Chord Mini's analysis engine directly into your own applications. The platform offers a free, well-documented API with no authentication required, providing direct access to endpoints for beat detection, chord recognition, and even lyrics fetching.
Use Cases
For the Learning Musician: You've just discovered a song on YouTube and want to play it on guitar or piano. Simply paste the URL into Chord Mini. Within moments, you get a complete, interactive chord chart with playable diagrams, allowing you to learn the song quickly and accurately.
For the Music Producer: You're working with an audio sample and need to understand its tempo and structure to fit it into your project. Upload the file to get a precise BPM reading, a full beat map, and downbeat identification, saving you hours of manual work.
For the App Developer: You're building a music education app. Use the Chord Mini API to automatically generate chord sheets and rhythmic guides for any song in your library. This allows you to offer powerful, value-added features to your users with minimal development effort.
Why Choose Chord Mini?
Musically Intelligent Analysis: Unlike basic chord finders that can misinterpret harmonically complex music, Chord Mini uses an LLM to apply musical context. This results in more accurate and logical chord charts that correctly handle modulations and enharmonic equivalents, just as a human musician would.
Model Flexibility for Greater Accuracy: Music isn't one-size-fits-all. Chord Mini provides specialized AI models for different tasks (e.g., Beat-Transformer for pop/rock, Madmom for complex jazz rhythms). This ensures you get the most accurate results possible for the specific style of music you're analyzing.
Completely Open and Accessible: Chord Mini is a free, open-source project with a powerful, publicly accessible API. This unique combination means you can not only use the tool for free but also build upon its technology for your own creative or commercial projects.
Conclusion
Chord Mini bridges the gap between listening to music and understanding it. It provides the detailed chord and rhythmic information you need in a clear, interactive, and accessible format. Whether you're a musician learning your favorite songs, a producer dissecting a sample, or a developer building the next great music app, Chord Mini offers the tools to help you succeed.
Analyze your first song today and experience a smarter way to interact with music!
More information on ChordMini
Launched
2025-07
Pricing Model
Free Trial
Starting Price
Global Rank
12313738
Follow
Month Visit
<5k
Tech used
Top 5 Countries
100%
Germany
Traffic Sources
100%
social
Source: Similarweb (Sep 25, 2025)
ChordMini was manually vetted by our editorial team and was first featured on 2025-08-21.
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