Tone Generator Tool is a precise acoustic engineering web utility that allows users to generate pure audio frequencies ranging from 20Hz to 20,000Hz with 1Hz accuracy. Supporting four primary waveforms—Sine, Square, Sawtooth, and Triangle—the tool is tailored for sound designers, audio engineers, and equipment technicians. It provides a safe, calibration-grade signal generation system inside the browser, ideal for subwoofer tuning and headphone frequency analysis