Free, professional-grade tools for musicians, producers, and songwriters
— running entirely in your browser with nothing to install.
Plus a few other useful experiments we couldn't resist building.

WEB APPS FOR MUSIC

PitchCutter Analyse any audio file and cut into individual samples, with real-time spectrograms and waveform visualisation. Local only, nothing sent to the cloud. Riffsketch Sketch riffs, chords and melodies on a piano roll and hear them played back instantly. Riffsketch (mobile) Touch-optimised version of Riffsketch for phones and tablets. MusicScales Explore and play every musical scale from cultures around the world, with 230+ scales visualised. Neg.Harmony Explorer Flip chords on a mirrored piano using negative harmony, as popularised by Jacob Collier.

OTHER USEFUL WEB APPS

ClaudeCode HistoryView Browse, search, and filter your Claude Code AI conversation history files, including manual compaction. Local only, nothing sent to the cloud. RE:ORDER Smoothly sort large photo folders with drag-and-drop reordering (+ hot keys), face detection, and duplicate finding. Local only, nothing sent to the cloud. KidPlanner Interactive map of kid-friendly activities and events across London (other cities coming soon). LiqueurMap Explore hundreds of liqueurs and spirits mapped by flavour profiles, sweetness, and strength. A mixologist's paradise for finding ingredient substitutes.