Eldoraudio has launched a new online Piano Audio to MIDI Converter, a free-to-use service.
There are a couple of conditions of use, the first of which is that your file size cannot exceed 50MB. If you’re trying to convert a larger WAV file, you may have to convert it to a smaller MP3 first.
The second condition is that the service will only return twelve minutes of converted audio, but that’s plenty for typical use.
Audio to MIDI conversion isn’t new, and there are various ways to do it in your DAW or with tools like Melodyne. But, as useful as MIDI is for editing, we all know that MIDI conversions can be a little janky, to say the least.
The inconsistencies and inaccuracies of MIDI conversion are especially true of highly expressive performances, like a classical piano recital.
Eldoraudio’s AI-powered converter utilizes years of machine-learning research, combining GPU-accelerated neural networks and advanced signal processing to produce “near-perfect” MIDI recreations of piano recordings.
In other words, the converter is optimized for piano audio, meaning it detects notes, velocity, timing, and other elements of expression with greater accuracy than the average converter.
I selected a couple of familiar piano pieces: Beethoven’s Moonlight Sonata (first movement) and Claude Debussy’s Clair de Lune, and put the converter to the test.
The conversion took a little longer than expected, but averaged around six minutes.
The thing that’s immediately evident on playback is that the phrasing is far more natural than expected; it’s particularly apparent on the less rigid Clair de Lune.
But, even with the understated Moonlight Sonata, there’s a clear dynamic expression that stands out. You can take a deeper look at dynamics by highlighting different velocities (set note color by velocity in Logic Pro), and, in this case, I’m seeing a more diverse spectrum of colors than usual.
Whether you want to make some pitch corrections, change the tempo, or add a new virtual piano sound, you start with something more human than a typically square and robotic piano MIDI file.
Check out Epic Grand by Fracture Sounds if you’re looking for a free piano sound to test with Eldoraudio’s converter.
If you want to use your DAW to display sheet notation for your MIDI file, the results may vary. In most cases, you’ll end up with ridiculous amounts of tied notes and accidentals, but the piano roll is still a valid way to use MIDI to learn a specific piano solo, etc.
Eldoraudio may introduce a paid tier in the future, which could include features such as batch conversion, faster processing times, support for larger files, and longer performances.
However, what we have now will always remain free to use.
Check out the deal: Piano Audio to MIDI Converter (FREE)
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Last Updated on September 1, 2025 by Tomislav Zlatic.
