Music Demixer
The free-music-demixer is an AI-based music demixer that allows users to separate different instruments from a music recording into stems. It is a web applicati...
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What is Music Demixer?
Music Demixer is a browser-based AI audio tool that turns full songs into separated stems, editable MIDI, and sheet music drafts from a single upload. It supports workflows for stem separation, audio-to-MIDI, piano transcription, drum kit breakdown, and score draft generation, with outputs designed for DAWs and notation software. The site emphasizes private processing, with browser-based and/or secure cloud workflows depending on the selected feature set, and it is built for musicians, producers, content creators, and music teachers. The platform also positions itself as a practical starting point for remixing, transcription, arrangement study, and cleanup in external software.
Its main appeal is that you can upload one track and then branch into multiple outputs, including stems, MIDI, PDF score drafts, and MusicXML. The site highlights specialized paths for piano and drums, including left/right-hand piano separation, pedal events, and detailed drum-kit breakdowns. It also supports common audio formats and can handle format conversion automatically. The interface is geared toward choosing an output goal first, then using the demixed result as a starting point for further editing.
Music Demixer is especially useful for people who want quick, editable music assets without installing desktop software. Musicians can use it to study parts, producers can use it to isolate elements for remixing, and teachers can use it to prepare learning materials. The site also frames its outputs as drafts rather than always-final notation, which makes it better for workflows where users expect to refine timing, pitches, voicing, or notation after export. It is a broad, multi-output platform rather than a single-purpose vocal remover.
The website also presents the product as privacy-focused and easy to start, with a free trial and a subscription tier for advanced workflows. The pricing structure limits some of the higher-end outputs and the more specialized stem types to Pro, while the core experience centers on trying jobs first and upgrading if needed. Overall, it is a feature-rich demixing and transcription platform aimed at users who want stems, MIDI, and sheet-music-like drafts in one place.
Music Demixer pricing
Pricing model: Free
Music Demixer offers a 1-day trial with 5 full-quality jobs up to 5 minutes each, and no card is required to start. The Pro plan costs $9.99 USD per month and includes secure cloud processing for supported workflows, 6-stem separation, transcription with PDF score drafts, editable MusicXML, MIDI, drum kit pieces with drum notation, and piano transcription. The site also indicates that piano, guitar, and higher-quality options are reserved for subscribers, while the free tier is limited to lower-access workflows. Pro activation can be canceled anytime after subscribing.
Music Demixer pros
- Browser-based workflow
- No installation required
- Private processing focus
- Stem separation in one upload
- Audio to MIDI conversion
- Sheet music draft generation
- PDF and MusicXML exports
- DAW-ready MIDI output
- Piano transcription with hands
- Piano pedal event support
- Drum kit piece separation
- Drum MIDI export
- Supports vocals, drums, bass
- Supports guitar and piano stems
- Common audio format support
- Automatic format conversion
- Single workflow for multiple outputs
- Useful for remixing
- Useful for transcription study
- Good for teachers and creators
Music Demixer cons
- Advanced features need Pro
- Piano/guitar locked on free tier
- Higher-quality outputs restricted
- Free jobs are time-limited
- Free plan has job limits
- Outputs may need cleanup
- Drafts are not always final notation
- Some specialized paths are less accurate
- Not a full desktop DAW replacement
- Cloud processing used for some workflows
Frequently asked questions about Music Demixer
What can Music Demixer create from one song?
It can turn a single track into separated stems, DAW-ready MIDI, and score-related outputs such as PDF drafts and editable MusicXML. The site also highlights piano transcription, drum kit breakdowns, and stem packs as part of the workflow.
Does Music Demixer require software installation?
No. The website presents the service as a browser-based workflow, so you can upload audio and create outputs directly online without installing a desktop app.
What audio formats does it accept?
The site says it supports MP3, WAV, FLAC, M4A/AAC, OGG, AIFF, and most common formats. It also says that if conversion is needed, the app handles it automatically.
What do I get after a job finishes?
Each job returns downloadable files for the output you selected. Depending on the workflow, that can include stem audio packs, MIDI files, and, when applicable, PDF score drafts plus editable MusicXML.
What is included in the free trial?
The free trial includes 5 full-quality jobs, each up to 5 minutes long, and no card is required to start. The site presents this as a 1-day trial before moving to Pro if you want continued access.
What does the Pro plan include?
Pro costs $9.99 USD per month and includes secure cloud processing for supported workflows, 6-stem separation, transcription outputs, piano transcription, and drum kit pieces with notation. The site also says Pro unlocks the more advanced and higher-quality options.
Which stems can it separate?
The website lists a 6-stem setup: vocals, drums, bass, piano, guitar, and instrumental or Other depending on the page. It also highlights more detailed drum-kit and piano-focused workflows.
Is the output final or a draft?
The site repeatedly describes many outputs as editable drafts. That means they are intended as a strong starting point, but users should expect to clean up timing, pitches, note lengths, voicing, or notation in another tool.
Who is Music Demixer designed for?
The site positions it for musicians, producers, content creators, teachers, and people doing transcription or arrangement work. It is especially relevant for users who want stems, MIDI, or score drafts from existing songs.
Can I cancel Pro anytime?
Yes. The pricing section says you can cancel anytime after activating Pro.