Tone Generator - Play any frequency from 1 Hz to 20,000 Hz in your browser

Tone Generator is a free, browser-based tool that lets you play any tone from 1 Hz to 20,000 Hz with no installation required. It offers four waveforms (sine, square, sawtooth, triangle), individual volume and balance controls, and the ability to stack up to eight tones simultaneously. Whether you're testing speakers, tuning instruments, checking hearing, or teaching sound physics, this hz generator provides precise frequency control and instant playback on any device. Its intuitive interface and shareable links make it a versatile utility for audio enthusiasts and professionals alike.