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An MIDI editor online can help you create, edit, and enhance your music efficiently. However, finding the right online MIDI editor can be challenging, especially with so many options available.
In this article, we've compiled a list of the 10 best MIDI online editors, comparing their key features, pros and cons, and pricing to help you make an informed choice.
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Table of Contents
Part 1: Best 10 MIDI Editor Online 2025
Here are the 10 best MIDI editor online tools that you can use to create, edit, and play MIDI files without downloading software.
1 TopMediai - MIDI Online Editor
TopMediai AI MIDI maker offers a powerful MIDI editor online that makes music creation easy and accessible for everyone. With advanced AI technology, you can instantly convert audio into MIDI and view every note on an interactive piano roll. The built-in editor lets you preview, adjust, and delete notes directly in your browser—no additional software required.
Whether you're just starting out or producing professionally, TopMediai’s free online MIDI tools give you everything you need to create high-quality tracks with speed and precision. Try a smarter, more intuitive way to make music with TopMediai.
Steps Guide for Using TopMediai Online MIDI Editor
Step 1. Go to the TopMediai Audio to MIDI online tool page.
Step 2. Upload Audio File. You can upload your audio in three ways:
① Click the upload button (supports .mp3 or .wav files, up to 20 MB)
② Drag and drop the file into the upload area
③ (Optional) Record Audio Directly：
If you don’t have an audio file, you can click the “Record” button to capture audio in real time. The recorded audio can also be converted.
Step 3. After uploading, click the “Convert To MIDI” button.
Step 4. Adjust the pitch range for MIDI output in the interface, such as from C2 to B5, to control the MIDI note range.
Step 5. Visualize and Edit：
Once conversion is complete, the MIDI note graph will be displayed.
Hover over notes to see details.
Step 6. When you’re satisfied with the edits, click the “Download MIDI” button to save the MIDI file for further use or editing.
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Enhance your music creation workflow，with ourAI music maker.
Convert vocals or instrumentals into MIDI instantly with the help of smart AI algorithms.
Upload your MP3 or WAV files (max 20MB) effortlessly using drag-and-drop functionality.
Capture audio in real time using the built-in recording feature—no external tools needed.
Set your desired pitch range (like C2 to B5) for more precise and focused MIDI conversion.
Export the generated MIDI file for use in your DAW, music software, or creative projects.
Access everything directly in your browser—no installation or downloads required.
Beginner-Friendly Interface.
Fast and Automatic Conversion.
Basic Editing Built-In.
Flexible Input Options.
Limited File Size.
2 Online Sequencer
Product Introduction: Online Sequencer is a simple yet practical tool for basic MIDI tasks. It allows users to create and edit MIDI sequences directly in the browser, making it suitable for quick drafts and simple compositions.
Website: https://onlinesequencer.net/
Pricing: Free
Note input via mouse or MIDI controller.
Basic virtual instruments.
Transposition and key detection.
No installation required.
User-friendly interface.
Free to use.
Limited editing tools.
Only one MIDI and one audio track available.
Lacks advanced features.
3 Soundtrap
Soundtrap is an online, collaborative music and podcast recording studio. It allows users to create music or podcasts, collaborate with others in real-time, and access a variety of virtual instruments and loops.
Website: https://www.soundtrap.com/musicmakers
Pricing: Free basic version; premium subscriptions starting at $9.99/month.
Real-time collaboration.
Wide range of virtual instruments.
Automated mixing tools.
Cross-platform accessibility.
Educational resources available.
Integrated with various platforms.
Some features require a subscription.
Internet-dependent.
4 AudioSauna
AudioSauna is a free music production studio with full in-browser functionality. It enables users to make music online with built-in synthesizers, samplers, and live effects.
Website: http://www.audiosauna.com/
Pricing: Free
FM and analog synthesizers.
Sampler with layering.
Real-time effects.
No installation required.
Intuitive interface.
Supports MIDI file imports.
Limited to basic functionalities.
No offline mode.
5 Soundation
Soundation is a powerful online music studio with professional features like recording, effects, virtual instruments, and over 700 free loops and sounds.
Website: https://soundation.com/
Pricing: Free basic version; premium subscriptions starting at $6.99/month.
Real-time collaboration.
Automation of parameters.
Integrated sound library.
User-friendly.
Community and collaboration features.
Regular updates.
Advanced features require a subscription.
Limited offline capabilities.
6 Flat
Flat is an online music notation software that allows users to compose with real-time collaboration, embedded in their web browser.
Website: https://flat.io/
Music notation and tablature.
Real-time collaboration.
MIDI file import/export.
Educational tools available.
Cross-platform compatibility.
Integrated with Google Classroom.
Some features behind a paywall.
Limited audio editing capabilities.
7 Signal
Signal is a fully equipped online MIDI editor that operates directly in your web browser. It offers a multi-track piano roll editor, allowing users to orchestrate freely with features like velocity, pitch bend, expression, and modulation.
Website: https://flykeys-editor.netlify.app/
Multi-track piano roll editor.
Support for velocity, pitch bend, expression, and modulation.
SoundFont support with a high-performance sound module.
Ultra-fast audio file export.
Comprehensive MIDI editing capabilities.
No installation required.
High-quality sound rendering.
Requires a stable internet connection.
May have a learning curve for beginners.
8 MakeBestMusic MIDI Studio
MakeBestMusic offers an advanced online MIDI editor designed for musicians, producers, and composers. It provides intuitive tools to create, edit, and export MIDI files seamlessly.
Wesite: https://makebestmusic.com/app/midi-studio
Comprehensive piano roll for sequencing notes.
Tools for creating melodies, beats, and remixes.
Cloud storage and collaborative features.
User-friendly interface.
Supports collaboration.
No installation required.
Specific feature limitations not specified.
Requires internet connection.
9 BandLab
BandLab is a cloud-based digital audio workstation (DAW) that allows users to create, edit, and share music online. It supports MIDI editing and offers a range of tools for music production.
Website: https://www.bandlab.com/
MIDI editing and sequencing.
Real-time collaboration.
Integrated virtual instruments and effects.
Cross-platform accessibility (web, iOS, Android).
Comprehensive DAW features.
Supports collaboration and sharing.
Accessible on multiple platforms.
May be overkill for simple MIDI editing.
Requires user account for full functionality.
10 BeepBox
Lunabot offers essential music playback functionalities along with unique space-themed trivia features.
Website: https://www.beepbox.co/
Browser-based MIDI online editor.
Chiptune-style music creation.
Export as WAV or MIDI.
Perfect for retro music.
No sign-up required.
Not suitable for complex MIDI editing.
Bonus: TopMediai AI Music Generator | Elevate Your Music Creation
TopMediai AI Music Generator is an innovative tool designed to simplify the music creation process. Whether you're a beginner or a seasoned musician, this AI-powered generator can instantly create melodies, harmonies, and full compositions in various styles. By leveraging advanced AI algorithms, it transforms text or simple inputs into high-quality MIDI or audio tracks, making it a perfect companion for music producers, composers, and content creators.
AI-Powered Melody & Harmony Generation.
MIDI Export Support.
Genre Versatility.
No musical expertise required; just input your preferences and let the AI do the work.
Saving time on composition and production.
How to use TopMediai AI music generator for Midi file:
Step 1: Head over to the TopMediai AI Music Generator dashboard to start creating your track.
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Step 2. Start Creating Your Own Song
① Lyrics to Music Mode: Enter the song you want to transform in other style's lyrics, and describe the style you want.
② Prompt to Music Mode: To make a song of your own, just simply select this model, enter the prompt, then our AI tool will generate for you.
Step 3: Export and Share
Once you're happy with your song, export it in MP3/MIDI/Sheet format.
Part 3: FAQs about MIDI Editor Online
1 What is an online MIDI editor?
An online MIDI editor is a web-based tool that allows users to create, edit, and modify MIDI files without the need to install software. It enables users to compose melodies, adjust notes, and control instrument sounds directly in their browser.
2 How does a MIDI online editor work?
A MIDI online editor works by providing a visual interface where users can input, edit, and arrange MIDI notes. It processes MIDI data and allows users to adjust tempo, pitch, velocity, and other parameters before exporting the final composition.
3 What is the difference between a MIDI online editor and MIDI software?
A MIDI online editor is a browser-based tool that allows quick edits and simple compositions, while MIDI software (such as DAWs) offers advanced features like multi-track recording, VST plugin support, and in-depth audio mixing.
4 Do online MIDI editors support real-time MIDI playback?
Yes, many online MIDI editors provide real-time playback so users can listen to their compositions while editing, helping them refine their arrangements before exporting the final file.
More about Midi Music:
Top 5 Picks of MIDI Chord Generators
Conclusion
To sum up, there are many MIDI editors online, each designed to meet different user needs. The best choice depends on your skill level and the features you’re after.
If you’re looking for a beginner-friendly, AI-powered tool that lets you convert audio, edit MIDI, and download your tracks with ease, TopMediai audio to MIDI is a great place to start. We hope this article helps you find the right tool for your music creation journey.
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