Vocoder Online
Turn your voice into a robot. Record or upload a voice clip, pick a synth, and the vocoder makes it sing your words in that classic robotic, talkbox sound — no sign-up, no upload.
How to Make a Robot Voice in 3 Steps
No account. No upload. Record a voice and hear the robot in seconds.
Record or Drop a Voice
Click record and say a few words, or drop an existing voice clip. Clear speech gives the best robot.
Pick Your Robot
Choose synth, square, or whisper, set the pitch, and slide the clarity bands until the words sound right.
Play & Download MP3
Hit Apply Vocoder, preview the result, then download the robotic MP3 to your device.
Why Notevibes Vocoder
A real channel vocoder that runs entirely in your browser.
Voice or Upload
Record straight from your mic or drop an existing voice clip. Any speech becomes the words your robot voice speaks.
Three Robot Voices
Pick a buzzy synth (the classic vocoder robot), a hollow 8-bit square, or a breathy whisper carrier built from noise.
Tune the Sound
Choose the pitch, slide the band count from 8 to 32 for more or less intelligibility, and toggle consonant clarity.
Private by Design
Your voice is analyzed and re-synthesized locally with the Web Audio API. Nothing is uploaded or stored.
Instant MP3
Download the vocoded result as an MP3 in one click — no watermark, no ads, no sign-up.
Works on Mobile
Record and vocode on your phone. Runs in Chrome, Safari, Firefox, and Edge on desktop and mobile.
Your Voice Stays on Your Device
Every vocode is processed locally in your browser with the Web Audio API. Your recording is never uploaded, stored, or analyzed.
No Upload
Voice never leaves your device
No Account
Start vocoding immediately
No Tracking
We never hear your voice
What People Make With a Vocoder
From music hooks to game characters — all from one voice clip.
Talkbox & robot vocals
Layer a vocoded hook over a beat for that classic electro / funk robot-voice sound
Game & stream characters
Give a droid, AI, or alien character a synthetic voice for your game or stream
Sci-fi intros & idents
Make a robotic announcer or computer-voice intro for a video or podcast
Robot voiceovers
Turn a plain narration into a machine voice for skits, memes, or explainers
Sound design
Process speech into a synth texture for music, trailers, or ambient beds
Voice effects for fun
Record a sentence and hear yourself as a singing robot in seconds
Need More Than a Vocoder?
The full Notevibes Online Audio Editor lets you record voice, remove vocals, clean up podcasts, add fades, mix multiple tracks, and export to MP3 or WAV — all in your browser.
Open Full Audio EditorRelated Audio Tools
More free browser audio tools from Notevibes — no sign-up, no upload.
Voice Changer
Chipmunk, helium, deep, giant, or demon voice effects.
Voice Recorder
Record audio from your microphone in the browser.
Vocal Remover
Extract the instrumental from any stereo song.
Audio Speed Changer
Speed up or slow down audio from 0.5x to 2x.
Audio Reverser
Play any audio file backwards.
Online Audio Editor
Multi-track browser editor with every tool built in.
Frequently Asked Questions
What exactly is a vocoder?
A vocoder makes one sound "speak" through another. It takes the moving shape of your voice — which frequencies are loud moment to moment — and stamps that onto a synth tone. The synth then sings your words in its own robotic pitch, the classic Daft Punk / talkbox sound.
Do I need to upload a song or beat?
No. The carrier (the synth tone) is generated inside the tool. You only provide a voice — record it with your mic or upload a clip — and the vocoder builds the robotic sound from a synth, square wave, or noise that you pick.
Why does my robot voice sound hard to understand?
Intelligibility comes from the band count and the clarity toggle. Slide the bands up toward 32 for clearer words, and keep "Add clarity" on — it blends your voice's high-frequency consonants (s, t, sh) back in, which is what makes words readable.
What is the difference between the three robot voices?
Synth is a buzzy sawtooth — the classic vocoder robot. Square is hollow and 8-bit / chiptune-like. Whisper uses noise instead of a tone, giving a breathy, unpitched robot. Synth and Square respond to the pitch selector; Whisper has no pitch.
Is my voice uploaded to a server?
No. Everything runs in your browser with the Web Audio API. Your recording or file never leaves your device — nothing is uploaded, stored, or analyzed on a server.
Is the vocoder free?
Yes. Completely free, with no sign-up, no watermark, and no limit on how many clips you can process. Uploaded files can be up to 200MB.
What format do I get back?
The vocoded result downloads as an MP3 at 192 kbps — a universal format that plays everywhere. On mobile you can also share it straight to Messages, WhatsApp, or AirDrop.
Can I generate a full robot voice from text instead?
Yes. If you want a robot voice spoken from typed text rather than your own recording, the robot voice generator turns any text into a synthetic voice with no recording needed.
Prefer a typed robot voice? Try the Robot Voice Generator.