Opennan
ProgramsFree

Change your voicein any app

OpenNan Voice changes your voice live, in any app that has a microphone setting. Voice effects and AI voices are free and run on your computer.

Downloads are for Mac and Windows computers.

Other versions
See the effects

Free · Mac and Windows

OpenNan Voice in Voice effects mode: the Dream effect selected in a grid of nine effects, with Pitch and Tone sliders and the Room and Noise removal settings
Voice effects mode with the Dream effect on. Other apps hear the changed voice through OpenNan Mic.

Three ways to change your voice

Pick a mode in the app. Two of them are free and run on your computer.

  1. Voice effects mode in OpenNan Voice, with the nine effects, Dream picked, and Pitch and Tone sliders
    Free

    Voice effects

    Nine effects, plus pitch, tone, room sound and noise removal. Everything runs on your computer.

    About 20–30 ms delay.

  2. AI voice mode in OpenNan Voice, with portraits of the built-in voices to pick from
    Free

    AI voice changer

    Sound like someone else. Pick Kai or Leo (male), or Nova or Mia (female), then set the pitch. The AI voices run on your computer.

    About 600 ms behind you. Click a voice to hear a sample; it downloads once, the first time you start it.

  3. Voice Translator mode in OpenNan Voice: How I sound set to My voice, with your own voice, a recorded voice and the four ready-made voices
    Speech in $0.0206/min · voice out $0.066/min

    Voice Translator

    Speak your language, and they hear another language, in your own voice. It also fixes your grammar as you speak.

    The app and API share one 3-minute trial. Afterward, pay for audio usage.

Nine voice effects

Free, and they run on your computer. Pick one, then fine-tune it.

  • NaturalYour own voice, with no effect.
  • DreamA warm, soft studio tone.
  • HigherMoves your voice up.
  • DeeperMoves your voice down.
  • CartoonA cartoon character voice.
  • MonsterA big monster voice.
  • RobotA robot voice.
  • RadioSounds like it comes through a radio.
  • EchoYour voice with an echo.

Fine-tune any effect

  • Pitch and TonePitch moves your voice up or down. Tone changes how big you sound: up is smaller and younger, down is bigger.
  • RoomNone, Room, Bathroom, Hall or Cave.
  • Noise removalOff, Light or Strong. Strong handles fans, keyboards and street noise.
  • Hear myselfHear your changed voice in your headphones while you talk.

Works in the apps you already use

Any app that lets you choose a microphone. Choose OpenNan Mic there.

  • Discord
  • Zoom
  • Google Meet
  • Roblox
  • OBS
  • Games

On Windows, the microphone to choose is CABLE Output, from VB-CABLE.

Set up once, in about a minute

The app walks you through three steps.

The Get set up screen in OpenNan Voice: Allow the microphone, Install the virtual microphone and Test it
  1. 01Allow the microphoneYour computer asks once.
  2. 02Install OpenNan MicOn a Mac, you type your password once and sound pauses for about 2 seconds. On Windows, the app opens the download page for VB-CABLE, a free virtual microphone from VB-Audio.
  3. 03Test itHear yourself through OpenNan Mic for 8 seconds. Use headphones.

OpenNan Mic is open source (GPL-3.0). Its source code ships inside the app.

Your voice stays on your computer

Voice effects and AI voices run on your computer. Your audio is not uploaded.

  • Voice effectsOn your computerYour audio is not uploaded.
  • AI voice changerOn your computerEach voice downloads once, then runs on your computer. Your audio is not uploaded.
  • Voice TranslatorVoice TranslatorYour speech and text are processed for this session. We do not keep conversation recordings.

Questions

Is OpenNan Voice free?

Yes. The app, the voice effects and the AI voice changer are free. Only the Voice Translator is paid, from your OpenNan balance and billed by the second: $0.0206 a minute for your speech and $0.066 a minute for the voice it speaks. Every account starts with a free 3-minute trial.

Which apps does it work with?

Any app that lets you choose a microphone, such as Discord, Zoom, Google Meet, Roblox, OBS and games. Choose OpenNan Mic as the microphone in that app. On Windows, choose CABLE Output.

How much delay is there?

Voice effects are about 20–30 ms behind you. AI voices are about 600 ms behind you.

Why do I install VB-CABLE on Windows?

On Windows, the virtual microphone is VB-CABLE, a free driver from VB-Audio. Its license doesn't allow us to include it in the app, so the app opens its download page for you.

Is my voice uploaded?

Voice effects: Your audio is not uploaded. AI voice changer: Each voice downloads once, then runs on your computer. Your audio is not uploaded. Voice Translator: Your speech and text are processed for this session. We do not keep conversation recordings.

Why do I hear an echo?

Hear myself plays your changed voice back to you. Through speakers, your microphone picks it up again. Use headphones.

Do I need an account?

Only for the Voice Translator. Voice effects and the AI voice changer work without one.

Try a new voice today

Free for Mac (Apple silicon and Intel) and Windows. Updates install automatically.

Download VoiceAll programs

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