100% in-browser
Audio Tools
Free in-browser audio tools built on the Web Audio API — a tone generator, metronome, BPM tap tempo, white/pink noise, a DTMF dialer, a hearing-frequency test, and a Morse-code player.
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Tone Generator
Play a pure tone at any frequency with a choice of waveforms.
♩Metronome
Keep time with an adjustable BPM and accented downbeats.
👆BPM Tap Tempo
Tap a button or the spacebar to find the tempo in BPM.
🌫Noise Generator
Play looping white, pink or brown noise for focus or sleep.
☎DTMF Tone Dialer
Play authentic phone touch-tone (DTMF) sounds from a keypad.
👂Hearing Frequency Test
Find the highest frequency you can hear by playing a sine tone.
·−Morse Code Player
Convert text to Morse code and play it as audible beeps.
♪ΔMusic Interval Calculator
Get semitones, cents, ratio and interval name between two notes.