Tempokit — Metronome, Tuner & Practice Studio

Tempokit is a complete music practice studio in one private browser tab — a metronome, a chromatic tuner, a reference drone and a practice log — with no ads, no account and no cloud. METRONOME • Steady Web-Audio timing with tap tempo and a tempo slider (30–300 BPM) • Any time signature — 4/4, 3/4, 5/4, 6/8, 7/8, 9/8, 12/8 and custom • Subdivisions (eighths, triplets, sixteenths) and click-to-set per-beat accents • Count-in, a visual beat, and an auto "tempo trainer" that speeds you up as you nail each pass • Save one-tap setlists for your songs and exercises • Lives in the side panel so it keeps time while you watch a lesson in the main tab TUNER • Chromatic microphone tuner showing note, cents and frequency • One-tap reference tunings for guitar, drop D, bass, ukulele, violin and cello • Adjustable concert pitch (A4 415–466 Hz; 432 / 440 / 442 / 444 presets) • Audio is analysed on your device only — never recorded or sent anywhere DRONE, PRACTICE LOG & REFERENCE • Sustain any pitch (with optional fifth/octave) for intonation practice • Session timer + practice journal with day streaks and a 14-day chart • Scale explorer and instrument tuning reference PRIVATE BY DESIGN • 100% local — nothing leaves your browser • Only two permissions: storage and side panel. No host permissions, no tracking, no ads. • Works fully offline. Export/import a backup whenever you like.