Free Voice Changer Online
Upload a recording or use your mic, pick an effect — deep, robot, chipmunk, alien and more. Free, no sign-up, processed on your device.
Making a video with this voice? Add a cover image with the MP3 to MP4 converter, or restyle a short clip with Genjutsu-style AI video.
Keepframe's free online voice changer applies effects to a voice recording in your browser: deep, chipmunk, robot, alien, telephone, cave echo, higher and lower voice, and a −12 to +12 semitone pitch slider that keeps the timing the same. Upload an MP3, WAV or M4A or record with your microphone, then download a WAV. It uses classic Web Audio effects (not AI voice cloning), is free with no sign-up, and nothing is uploaded.
Facts checked October 10, 2026.
What you get
| Price | Free. No credits, no sign-up, no watermark. |
|---|---|
| Effects | Deep, chipmunk, robot, alien, telephone, cave echo, higher and lower voice, plus a −12 to +12 semitone pitch slider. |
| How it works | Classic audio effects (pitch shifting, ring modulation, filters, echo) computed in your browser with the Web Audio API — not an AI voice clone. |
| Privacy | Uploads and mic recordings are processed on your device and never sent to a server. |
| Output | WAV (lossless), same timing as your recording (echo presets add a 1.5 s tail). Up to 10 minutes. |
| Not the right tool for | Sounding like a specific real person or a natural-sounding gender swap — that needs an AI voice model. |
How it works
1. Upload or record
Any common audio file, or record straight from your microphone.
2. Pick an effect
Choose a preset and fine-tune the pitch with the slider. Duration stays the same.
3. Listen and download
Preview the result, then download a WAV file.
FAQ
Is this voice changer free?
Yes. Effects run in your browser: no credits, no sign-up, no watermark, no time limit beyond 10 minutes per recording.
Can I record my voice directly?
Yes. Click Record, allow the microphone, speak, then Stop. The recording stays on your device.
Is it an AI voice changer?
No. It uses classic audio effects — pitch shifting, ring modulation, filters and echo — computed with the Web Audio API. It doesn't clone or imitate real people.
Does changing pitch change the length?
No. The pitch shifter keeps the original timing, so you can put the new voice back on your video. Echo presets (Cave, Alien) add about 1.5 seconds of echo tail at the end.
Which file types work?
MP3, WAV, M4A and OGG in; WAV out (lossless). Use the MP3 to MP4 tool to turn it into a video.
Can I use it for Discord or streaming live?
Not live — this page processes recordings. For live voice in calls you need a desktop voice-changer app.