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Matchering
What it is
Matchering is free, open-source software that automatically matches and masters audio. Give it a target track and a reference track, and it produces a mastered target aligned with the reference’s RMS, frequency response, peak amplitude, and stereo width. Matchering 2.0 is available as a containerized web application, Python library, and ComfyUI node, and it is integrated into the UVR5 Desktop App. The Python library includes a command-line application and can connect with the Python ecosystem. It requires Python 3.8.0 or higher and a machine with 4 GB of RAM. WAV and MP3 are listed input formats, though MP3 loading requires FFmpeg to be installed separately. The project says the algorithm works well with almost all genres, especially EDM, but not experimental music with a very specific musical form. Its FAQ describes digital signal processing rather than neural-network use and says users may use their mastered tracks wherever they want. The Python package is distributed under GPLv3, with no published paid plans. The web application is intended for home or in-house use, not public Internet hosting without security and scalability changes.
For and against
For
- Matches RMS, frequency response, peak amplitude, and stereo width
- Available as a web app, Python library, and ComfyUI node
- Includes a command-line application
- WAV and MP3 are listed input formats
- No published paid plans
Against
- MP3 loading requires a separate FFmpeg installation
- Python library requires Python 3.8.0 or higher
- Python library requires at least 4 GB of RAM
- Web app is not suitable for public hosting as-is
The verdict
Matchering automates reference-based audio matching in several software forms and is distributed under GPLv3. MP3 setup requires an extra dependency, and its web application should not be exposed publicly without changes.
Who it suits
It suits audio creators who want automated matching against a reference track and can meet the Python runtime requirements. Those considering public hosting should account for the maker’s warning about security and scalability changes.
Plans and prices
Open-source software
GPLv3 license · no published paid plans
Read 1 Oct 2026 · github.com
On the record
- Album consistency
- The documentation presents using one reference across multiple tracks as a way to make an album sound more cohesive.saxtalk.com · read 21 Oct 2026
- Audio-format limit
- MP3 loading requires installing FFmpeg separately.github.com · read 1 Oct 2026
- Audio formats
- An independent software directory describes WAV and FLAC input/output support and professional WAV output.toolstock.net · read 21 Oct 2026
- ComfyUI integration
- A ComfyUI-Matchering node is offered as an integration route.github.com · read 21 Oct 2026
- Command line
- The repository points developers to a separate Matchering CLI and an enhanced fork of that CLI.github.com · read 21 Oct 2026
- Desktop integration
- Matchering is integrated into the UVR5 Desktop App.github.com · read 1 Oct 2026
- Developer integration
- The Python library can be connected to everything in the Python ecosystem and has a command-line application.github.com · read 1 Oct 2026
- Docker deployment
- The repository provides separate Docker instructions for Windows, macOS and Linux, plus an update guide.github.com · read 21 Oct 2026
- Documentation
- The repository includes a README, FAQ wiki, Docker guides, examples, log-code documentation and limiter testing material.github.com · read 21 Oct 2026
- Genre guidance
- The algorithm is described as working well with almost all genres, especially EDM, except experimental music with a very specific musical form.github.com · read 1 Oct 2026
- Hosted access
- The project README identifies Songmastr, MVSEP and Moises as services that host Matchering for browser-based trials.github.com · read 21 Oct 2026
- Hosted integrations
- The project says users can try it without installation through Songmastr, MVSEP and Moises hosting.github.com · read 1 Oct 2026
- Independent assessment
- Hysen Labs describes the project as matching four measurements with a project-specific limiter and notes that the newest tagged release is from 2022.hysenlabs.com · read 21 Oct 2026
- License
- Matchering is distributed under the GNU GPL version 3.0 license.github.com · read 21 Oct 2026
- Limiter
- Version 2 introduced the project’s own open-source Hyrax brickwall limiter.github.com · read 21 Oct 2026
- Limit: interface and controls
- Beathoven characterizes Matchering as having a less polished interface and fewer adjustable parameters than commercial services such as LANDR or eMastered.beathoven.tv · read 21 Oct 2026
- Limit: reference dependence
- Beathoven warns that good results depend on choosing a suitable reference track.beathoven.tv · read 21 Oct 2026
- Limit: service outage
- A Songmastr user reported that the hosted site had gone down, while another later comment said it was back online.reddit.com · read 21 Oct 2026
