Free online music production tools
15 appsUse these 15 free browser apps to write chord progressions, generate rhythms, measure audio loudness, edit MIDI, and organise music projects. Open a tool to get started: no account or plugin installation required.
Chord Progression Mapper
Map out chord progressions, get smart next-chord suggestions, and explore cadences and resolutions. Runs locally in your browser.
Ear Training: Pitch & Frequency Recognition
Practical ear training for notes, intervals, and frequency ranges. Everything runs locally in your browser.
Euclidean Rhythm Generator
Generate mathematically even rhythms across any number of steps. Six independent polyrhythmic layers with circular visualisation, audio playback, MIDI export, and named presets.
Master Loudness Checker
Drop in a master and see integrated LUFS, true peak, loudness range, and how each streaming platform will change its playback level. Runs in your browser; your audio is never uploaded.
Melodic LFO Table & Curve Generator
Create scale-aware melodic LFO tables and curves with semitone sequencing. Export WAV or .curve files for Phase Plant, Snap Heap, and Multipass.
MIDI Humaniser
Drop in a MIDI file and add natural timing, velocity and note-length variation. See the change on a piano roll, hear it, and download the new MIDI file. Runs in your browser.
Mix Notes
Load a bounce, listen, and drop timestamped notes on the waveform. Tick them off as you fix them and export a clean revision list for your mixer, client or collaborator. Runs in your browser.
Mixing Frequency & EQ Reference
A practical mixing reference covering EQ frequency zones, instrument ranges, streaming loudness targets, reverb starting points, and your personal mix notes. Runs locally in your browser.
Music Project Planner
Plan a music project across writing, recording, mix and master, release, and promotion with editable cards, notes, and task checklists.
Plugin Library Manager
Build and manage your complete audio plugin library. Track names, developers, formats, licenses, serial keys, and spending. Everything runs locally in your browser.
Plugin Library Manager Offline
Offline plugin library manager with local folder scanning. Track your audio plugins, scan install folders, and save compatible .pluginlibrary files.
Producer Utilities
Use music production calculators and reference tools for everyday studio tasks, alongside separate feeds for plugin deals and freebies.
Rhythm LFO Table & Curve Generator
Design rhythmic LFO tables and curves with fast drawing and shape tools. Export WAV or .curve files for Phase Plant, Snap Heap, and Multipass.
Room Mode Calculator
Enter your room's length, width and height to see its bass resonances, which notes they fall on, where modes stack up, and a starting point for your listening position. Runs in your browser.
Song Structure Planner
Build and refine song structures in your browser with editable arrangement blocks, bar counts, notes, and a clean section map.