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Create rich tones with visual feedback, presets, and an expressive envelope.
Use the Sound Generator to create reference tones for ear training, tuning checks, and audio testing. Adjust the frequency to explore different pitches, change the waveform to hear different timbres, and control the volume to fit your environment.
The waveform selector lets you switch between four classic wave shapes — sine, square, triangle, and sawtooth — each with its own sonic character. Sine is the cleanest; sawtooth is the most harmonically rich.
The ADSR envelope gives you control over the shape of the tone over time. Attack sets how fast the sound ramps up, Decay brings it down to the Sustain level, and Release determines how long it fades when you stop. Short attack and release settings produce a sharp, staccato click; longer values create a smooth, evolving swell — great for chord practice or meditation drones.
The tool is designed for quick, browser-based audio generation without needing any extra software.
It is useful for generating reference tones for ear training, tuning checks, and testing audio output on your device.
Yes. You can adjust the frequency with the slider or pick common presets such as 220 Hz, 440 Hz, 660 Hz, or 880 Hz.
Yes. The volume slider controls the output loudness and is capped to a safe listening range.
ADSR stands for Attack, Decay, Sustain, and Release — four parameters that shape how a tone starts and ends. Attack controls how quickly the tone reaches full volume; Decay brings it down to the Sustain level; Release determines how long the tone fades out after you stop it. Together they let you go from a sharp, punchy blip to a slow, airy swell.
Each waveform has a distinct character. A sine wave is smooth and pure — ideal for reference tones. A square wave sounds hollow and buzzy, like a classic game console. A triangle wave sits between the two: softer than square but brighter than sine. A sawtooth wave is the harshest of the four, with a bright, cutting edge used widely in synthesisers.
Use a precise pulse and timing guide while tuning or practicing.
Verify your pitch with a browser-based tuner.
Find the tempo of a song and pair it with tone generation.
Convert any Hz value to a musical note.