Free · Sweep sound through space

Phaser Voice Changer for Kids

Move several small filters together to make a smooth science-fiction sweep.

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

Real Web Audio effects

Phaser voice changer

Move several tiny filters to make a sweeping space sound.

Quiet and readyPhaser

1PhaserFilter sweep

rate 0.4 · depth 0.46 · feedback 0.38

DryEffect

A gentle wide phaser move.

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

Shape the effect

Project nameDemo pitch · 220 HzOnly changes the built-in demo tone.Demo tone shapeDemo length · 3.5 secondsEffect mix · 58%Move from original sound to changed sound.Effect strength · 46%Movement speed · 0.4Repeat amount · 38%Tone color · 50%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.