Practice tools that stay out of your way.

A small suite of private, offline, browser-based tools for musicians. No accounts, no uploads. Everything runs right in your browser.

Loop a passage, slow it down, and change the key in your own video or audio.

soon ◔

Tempo, subdivisions, and tap. Simple and precise.

soon ♪

A chromatic tuner for your instrument, with adjustable reference pitch.

The browser extension brings the same loop, slow-down, and transpose to YouTube and other video sites. Free, open source, nothing uploaded.

Add to Chrome also on Firefox