Sonic.exe Voice Changer: Free Online, No Sign Up

More versions

Variation: Bit crusher at 15%: more voice, less corrupted file.
Variation: Chorus at 60%, faster: two voices fighting for the same mouth.

Use it in calls and on recordings

Try it here
Press Start mic above and talk. You hear this voice with the exact settings on this page, and every slider can be moved.
Use it live
Press Use this voice in calls, then pick Facecam Virtual Mic as the microphone in Discord, Google Meet, Zoom or any other call that runs in Chrome.
Put it on a recording
Open Online Voice Changer, record or upload a file, choose the same settings and download the result.

More about this voice

What haunts the cartridge

Part	Setting	What you hear
Demon	Pitch -6, Tone -2	A low voice, a little larger than human
Glitch	Bit crusher 6-bit at 10 kHz, 45% mix	Old-console grain that breaks up the words
Stutter	Echo every 0.11 s, 25% mix	A repeat so close it sounds like the audio doubling
Possession	Chorus 0.3 times a second, 30% mix	A faint second voice
Dark screen	Reverb 30% mix, 3 s long	A long tail into nothing

Friendly first, then wrong

Start lines lightly, almost playful, and let the last few words sink in pitch and speed. The contrast is the scare.
Whisper-laugh between sentences. The 0.11-second echo turns a short laugh into a rattle.
Give each line room. The reverb lasts 3 seconds, and talking through it hides the glitch.
Invitations to play and game-over lines fit best. Keep them calm; ranting breaks the spell.

Where the haunted cartridge lands

It's made for creepypasta readings, fan-game dubs (the Rewrite take on the character included) and scare segments on a stream. A reading wants the first variation, bit crusher at 15%: more voice, less corrupted file, so listeners can follow a long story. A reveal wants the second, chorus at 60% and 0.8 wobbles a second, where two voices seem to fight for the same mouth. In group calls, bring it out for a moment and then switch back; an echo plus a 3-second hall covers other people's speech.

The exact settings

Setting	Value
Noise gate	mutes the mic below -50 dB, between words
Pitch	-6 (lower)
Tone	-2 (sounds bigger)
Distortion	drive 0.35, 50% mix
Bit crusher	6-bit at 10 kHz, 45% mix
Chorus / vibrato	wobbles 0.3 times a second, 30% mix
Bass	+4 dB below 120 Hz
Echo	repeats every 0.11 s, 25% mix
Reverb	30% mix, 3 s long

Free Sonic.exe voice changer FAQ

Is this the real Sonic.exe voice?

There isn't a single official one; the character comes from a creepypasta and fan games. This is a sound-alike made with pitch and effects, using no game audio.