Calculators & Converters•Free Online Tool
Audio Tone & Frequency Generator
High-precision Web Audio tone generator. Produce pure audio sine, square, sawtooth, and triangle frequency tones from 20 Hz to 20 kHz. Perfect for testing speakers, subwoofers, hearing thresholds, instrument tuning, and acoustic resonance.
100% Free & Private
Audio Frequency (Pitch)
440 Hz
Fine Frequency Adjustment
Hz
20 Hz (Deep Bass)440 Hz (Concert Pitch)5,000 Hz (High Treble)
Volume50%
Acoustic & Frequency Presets
How to Use Audio Tone & Frequency Generator
1
Choose Frequency
Use the slider or type any frequency in Hertz (20 to 20,000 Hz).
2
Select Waveform
Pick Sine, Square, Sawtooth, or Triangle.
3
Play Tone
Click Play to listen.
Frequently Asked Questions
Related Tools
Morse Code Converter
Convert text to Morse code and Morse to text. Play audio beeps with Web Audio API.
Open Tool
BPM / Tempo Tapper & Metronome
Tap any key or click rhythmically to detect musical tempo (BPM) with audio metronome playback.
Open Tool
Microphone Voice Recorder with Waveform
Record audio voice notes directly in your browser with real-time frequency visualizer and instant WebM download.
Open Tool
Percentage Calculator
Calculate percentages, percentage increases, decreases, and percentage differences.
Open Tool