tonecat
tools for musicians

The metronome
that does more.

simple intuitive UI powerful customizability polyrhythms complex time signatures accented and silent beats multiple synced layers percussive and melodic sounds customize colors save and share presets optimized for desktop and mobile

Go to metronome

Simple and Complex Meters

Create advanced metronome patterns with custom accents for any time signature or subdivision. Build complex rhythms up to 24 beats long — perfect for odd meters and advanced rhythm training.

Multi-layer Rhythms

Layer up to 5 synchronized rhythms to practice polyrhythms, or use as an drum machine. Essential for musicians studying complex rhythms and contemporary music.

Detailed Sound Library

Choose from unique click sounds and our expanding library of realistic instrument samples, like violin pizzicato, djembe, and more. Deep sampled with round-robins and timbral accents for more creative and inspiring practice sessions.

Customize Colors

Personalize your practice environment with custom UI colors to match your mood or music style. Set individual colors for each rhythm layer, and light and dark mode options to match your preferences.

Save + Share Presets

Save custom metronome presets instantly in your browser, no signup required. Share rhythm patterns as a link, perfect for music lessons, band practice, or online collaboration with other musicians.

Built for Creativity

Professional-grade metronome app with an intuitive interface that makes complex rhythm programming simple. Designed for serious musicians, music students, and educators who need powerful practice tools.

About ToneCat

ToneCat is a growing suite of web-based music tools designed for musicians, music teachers, composers, producers, and students. Our flagship tool is an advanced online metronome that handles complex time signatures, polyrhythms, and custom beat patterns, together with a unique sound library — perfect for serious music practice and rhythm training.

Whether you're practicing difficult passages, teaching music lessons, composing in unusual meters, or producing tracks with intricate rhythmic elements, ToneCat's professional-grade tools help you stay precisely in time while encouraging creative exploration.

Always Evolving: ToneCat is an independent music technology project, continuously developing new tools to support practice, education, performance, and creation. Built by musicians, for musicians.