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A Complete Guide on Converting MP3 to MIDI Successfully

Paula Pailaga

Posted by Paula Pailaga to Convert Audio Apr 29, 2025

Converting MP3 to MIDI is a common demand of professional musicians and record producers who use electronic instruments. Of course, as an amateur, you can also convert MP3 to MIDI for better sound quality. This post will recommend four free MP3 to MIDI converters with detailed steps. Moreover, you will get other unexpected gains. Read on to learn MIDI and how to convert your MP3 files.

What is MIDI

Before converting MP3 to MIDI, it’s helpful to understand what MIDI is. MIDI stands for Musical Instrument Digital Interface. Unlike MP3 or WMV files, MIDI files do not contain actual audio data, making them much smaller in size. MIDI files are also easier to edit, allowing you to modify keys, tempo, melody, and timbre. Below are six free MP3 to MIDI converters recommended for you — keep reading to learn more about them.

Tool Complex Track Separation Conversion Speed Pros Cons Operation Complexity
Audacity Medium Free, open-source, feature-rich, plugin support Outdated interface, steep learning curve High
AnyConv × Fast (depends on network) Fully online, supports many formats File size limits, no editing functions Low
Bear Audio Fast Allows direct online recording of audio Limited functionality, basic separation Low
Widisoft Fast Specialized in track separation, good separation quality Paid, basic UI Medium
Melobytes Very fast Creative AI functions (audio-to-image, etc.) Significant audio quality loss, not for professional use Low
Audio Convert × Very fast Lightweight, batch processing supported No editing features, limited functionality Low

Audacity – Convert MP3 to MIDI for All Systems and High Customization

Audacity is a powerful audio editor and recorder, such as converting MP3 to MIDI, compatible with Windows, Mac, and Linux. It supports converting audio files into MP2, MP3, M4A, and MIDI formats. Besides MP3 to MIDI conversion, it also offers recording and multi-track editing. Audacity now supports real-time effects in VST and AU formats, allowing users to preview and adjust effects anytime. Additional effects can be added via Muse Hub, including EQs, distortion, reverbs, phase shifters, compressors, and more. However, its complex operation is not friendly to beginners.

Step 1After downloading Audacity from the official website on your device, open it directly. Take the Mac version of the software as an example. Click the "File" button and select the "Import" option to upload your MP3 file.

Import File Audacity

Step 2You can click the "File" button again and choose the "Export" option after uploading the file. Then, a new window will pop up, and you can select the "Other uncompressed files" from the "Format" section. Click the "Options" button to choose "SDS (Midi Sample Dump Standard)" from the Header tab.

Choose Output Format Audacity

Step 3Click the "OK" button to save the previous adjustment. Last, you must click the "OK" button in the new pop-up window to convert MP3 to MIDI.

Convert MP3 to MIDI Audacity

AnyConv – An Online Tool for Easily Converting MP3 to MIDI

When you want to convert MP3 to MIDI without downloading any software, you can try AnyConv. It has a straightforward interface that is friendly to beginners. It supports batch conversion and will delete files one hour after upload to ensure privacy. Unfortunately, there is no editing tool to adjust the audio. The following are the specific operation steps.

Step 1Open AnyConv on any browser and click the "Choose File" button at the main interface to import your MP3 file. You can also drag the file directly to the square to upload files.

Upload Files AnyConv

Step 2Select the "MIDI" as the output format from the dropdown list.

Choose Output Format AnyConv

Step 3Last, convert MP3 to MIDI by clicking the "Convert" button at the bottom. And click the "Download MIDI" button to save your audio file.

Convert Audio AnyConv

Bear Audio Online Tool – Online Convert MP3 to MIDI with Direct Recording

As its name suggests, Bear Audio Online Tool is also an online MP3 to MIDI converter. This free tool supports batch conversion of multiple MP3 files to MIDI, saving time. It can separate vocals and backing tracks into simple audio files, but the precision and effectiveness of the separation are relatively low. Additionally, it allows direct online audio recording. However, the drawback is that the maximum file size is limited to 50 MB. If your file is within this limit, you can try it!

Step 1Open your browser and search for Bear Audio Online Tool directly. Open this MP3 to MIDI converter and click the "Select a local file" button to upload your MP3 file. You can upload multiple MP3 files to convert by clicking the Select a local file button again.

Import MP3 File Bear Audio Tool

Step 2Select the audio converter from MP3 to MIDI before conversion. Once you import the MP3 file, it will show you the MIDI output format. Then click the "Start" Conversion button to finish the conversion.

Start Conversion Bear Audio Tool

Widisoft - Converter to Accurately Separate MP3 Vocals and Instruments to MIDI

Widisoft is one of the best free MP3 converters. It provides audio-to-MIDI conversion software focusing on MP3-to-MIDI conversion, supporting the automatic analysis and extraction of melody lines, chords, and rhythmic information from MP3, WAV, and other audio files to generate standard MIDI files. It uses advanced pitch detection algorithms to more accurately separate vocal and instrumental sounds and convert them to multi-track MIDI format, suitable for arranging, remixing, and music learning.

Step 1Go to the Widisoft official website and click "Browse" to upload your MP3 files.

Widisoft Convert Mp3 to Midi

Step 2Click on "Transcribe" or use the Auto Analyze function and wait for the software to finish recognizing it, then click on "Save As" to save the generated results in MIDI format.

Melobytes - Creative Generation Convert MP3 to MIDI

Melobytes offers MP3 to MIDI, a creative assisted conversion that extracts pitch information and automatically generates new melodies, chord progressions, or rhythmic changes based on the audio content. It is suitable for extracting inspiration from audio rather than accurate track reduction in the traditional sense. To use it, the user uploads an MP3, which Melobytes analyzes intelligently and outputs a MIDI file with some compositional elements based on the settings (e.g. tempo, style), which is usually more in the direction of "re-composition" than "exact reproduction".

Melobytes Convert Mp3 to Midi

Step 1Open the official website, click "Upload" in the center, and choose the MP3 files.

Step 2Then click "Convert" and wait for the result. Click on the link to download the resulting MIDI file when you're done.

Audio Convert – Online Converting MP3 to MIDI Quickly but Unprofessionally

Audio Convert is an online MP3 to MIDI converter that supports batch conversion. You can convert various MP3 files at the same time. It supports many formats, and you can even convert MP3 to WAV. Moreover, it has an intuitive interface that can convert audio files easily for beginners. However, like most online tools, it has no editing function.

Step 1Search Audio Convert on any browser and open it. Then click the "Upload MP3" button to load your MP3 file into this tool.

Upload MP3 File Audio Convert

Step 2If you want to import multiple MP3 files to convert, you can click the "Add More Files" button.

Upload More Files Audio Convert

Step 3Select "MIDI" as the output format by clicking the "Convert to" button. Then you can choose MIDI from the list.

Choose Output format Audio Convert

Step 4Click the "Convert" button at the bottom to convert MP3 to MIDI. Wait a few minutes and click the "Download" button to save the file.

Convert MP3 to MIDI Audio Convert

Bonus Tips: How to Convert MP3 to Other Formats Easily

When you need to convert MP3 to M4A or other formats, 4Easysoft Total Video Converter must be the perfect tool you can try. This excellent video converter supports 1000+ formats that can convert MP3 to any format. You can simultaneously convert MP3 files to other formats like OGG with no file size limitation. Moreover, it supports converting high-quality audio by customizing the settings, like sample rate, channel, and bitrate.

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FAQs about MP3 to MIDI

Conclusion

This article mainly shares 6 free methods to convert MP3 to MIDI. You can choose one of the tools to use according to your needs and preferences. They contain both accurate generation and creative generalization transformations. If you have a better MP3 to MIDI converter to recommend, you can share it with us. When you need an MP3 converter to change MP3 to other formats, you can use the all-in-one 4Easysoft Total Video Converter.

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