Free · Crunchy old-game sound

Retro Bitcrusher Sound Maker for Kids

Lower the digital detail of a demo tone to make arcade and tiny-chip sounds.

Clear, kid-friendly steps
Private in your browser
No signup

Real Web Audio effects

Retro bitcrusher sound maker

Lower the digital detail to make crunchy old-game sounds.

Quiet and readyBitcrusher

1BitcrusherDigital steps

bits 8 · normfreq 0.638 · buffer size 4096

DryEffect

A clear eight-bit game sound.

Use headphones before the microphone.They prevent the changed sound from feeding back into the mic.

Shape the effect

Project nameDemo pitch · 440 HzOnly changes the built-in demo tone.Demo tone shapeDemo length · 3.5 secondsEffect mix · 72%Move from original sound to changed sound.Effect strength · 55%Movement speed · 6.0Repeat amount · 38%Tone color · 68%Lower is darker. Higher is brighter.Project color

Save the effect settings

Keep a readable recipe, a spreadsheet, or an editable project on this device.

Three simple steps

How to use it

Pick a ready sound, then press Play demo sound. Nothing plays on load.
Move one effect slider and listen again. A microphone is optional.
Save a readable recipe, settings sheet, or project you can reopen.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.