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AudioGen

AI Voice Changer API — Real-Time Voice Modification via REST

Explore limitless voice transformations, from pitch shifts to emotional modulations. Transform your audio.

AI Voice Changer API quick start

Transform a voice with one POST request to /api/v6/voice/voice_to_voice. Pitch shift, gender swap, emotion modulation, language transfer. Returns a hosted MP3/WAV URL.

Python — change a voice with target sample

Python
1import requests
2
3response = requests.post(
4 "https://modelslab.com/api/v6/voice/voice_to_voice",
5 json={
6 "key": "YOUR_API_KEY",
7 "init_audio": "https://example.com/source-voice.mp3",
8 "target_audio": "https://example.com/target-voice-sample.mp3",
9 "language": "english",
10 "emotion": "neutral"
11 }
12)
13
14print(response.json()["output"][0])

JavaScript — pitch + gender shift via target voice

JavaScript
1const response = await fetch('https://modelslab.com/api/v6/voice/voice_to_voice', {
2 method: 'POST',
3 headers: { 'Content-Type': 'application/json' },
4 body: JSON.stringify({
5 key: 'YOUR_API_KEY',
6 init_audio: 'https://example.com/source.mp3',
7 target_audio: 'https://example.com/female-voice-sample.mp3',
8 language: 'english',
9 emotion: 'happy',
10 }),
11});
12
13const data = await response.json();
14console.log(data.output[0]);

cURL — quick test from terminal

bash
1curl -X POST 'https://modelslab.com/api/v6/voice/voice_to_voice' \
2 -H 'Content-Type: application/json' \
3 -d '{
4 "key": "YOUR_API_KEY",
5 "init_audio": "https://example.com/source.mp3",
6 "target_audio": "https://example.com/voice-sample.mp3",
7 "language": "english",
8 "emotion": "neutral"
9 }'

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Available AI APIs

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Say it like you mean it. Perfect your voice and bid goodbye to fragments with our AI voice changer.

Why Choose ModelsLab

Key advantages that set us apart

User-friendly interface
Unlimited voice transformations
24/7 customer support
Fast audio processing
Voice disguise and gender voice changer
Character voice changer
Includes voice filters
Speech synthesis with text prompting
Voice enhancer and editor
Pitch shifting and vocal effects
Developer-first API integrations
Large Global Community
No Questions Asked 100% Refund Policy

Make Professional Voiceovers

Polish your voice clips and turn your raw recordings into professional voiceovers. Swap voices for the same script in seconds.

Eliminate Background Noise

Clean up your audio by removing distracting noise for professional-grade clarity.

Remove Silences, Pauses, and Filler Words

Smooth out your recordings by automatically cutting out unwanted gaps or stutters.

Arrange Sequences Just Like Your Docs

Restructure voices in sync with your storyboards or text-based scripts.

Combine, Edit, Transform

Blend multiple voice clips, apply effects, and create seamless sound transitions effortlessly.

Customize, Remix, and Dub in Any Language

Translate and dub your content into 43+ languages while retaining the original tone.

Eliminate Background Noise

How to Change Voices Step-by-Step?

You can change voices in four three easy steps.

STEP 01
STEP 01

Upload or Paste Your Script

Add audio samples to get started. You can narrate and clone, too.

STEP 02
STEP 02

Choose Your Style

Set your language and change voices to other languages.

STEP 03
STEP 03

Edit and Refine

Adjust tone, pitch, reverb, and volume. Change narration speed and intonation, and switch genders.

STEP 04
STEP 04

Generate and Download

Preview and export as MP3, OGG, and in any other format of your choice.

What Makes ModelsLab More than Just a Voice Changer?

Eliminate Background Noise

Clean up your audio by removing distracting noise for professional-grade clarity.

Remove Silences, Pauses, and Filler Words

Smooth out your recordings by automatically cutting out unwanted gaps or stutters.

Arrange Sequences Just Like Your Docs

Restructure voices in sync with your storyboards or text-based scripts.

Combine, Edit, Transform

Blend multiple voice clips, apply effects, and create seamless sound transitions effortlessly.

Customize, Remix, and Dub in Any Language

Translate and dub your content into 43+ languages while retaining the original tone.

Our Popular Use Cases

Here’s what you can do with our voice changer tool

Create captivating reels or TikToks with quirky voices.

Social Media Content

Worldwide Support: 43 Audio Languages Available

Expand Your Audience with Multilingual Dubbing Capabilities

English
Hindi
Spanish
French
German
Italian
Portuguese
Brazilian Portuguese
Polish
Turkish
Russian
Dutch
Czech
Arabic
Chinese
Japanese
Hungarian
Korean
Ukrainian
Romanian
Serbian
Swedish
Thai
Welsh
Afrikaans
Belarusian
Bulgarian
Danish
Finnish
Greek
Hebrew
Indonesian
Persian
Nepali
Vietnamese
Urdu
Telugu
Tamil
Kannada
Malayalam
Punjabi
Gujarati
Marathi
Bangla

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Pricing That's Perfect

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Moderate Traffic
100% refund policy
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10 concurrent API requests ⚡
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Testimonials

Trusted by Enterprise Teams Worldwide

Enterprise Success Stories

ModelsLab's Voice Cloning API has revolutionized how we approach character development in our games. It's like having a studio full of voice actors at our fingertips!

Alex Rivera
AR

Alex Rivera

Game Developer at TVC

The ease of creating lifelike voiceovers for our e-learning courses has dramatically increased engagement. A real breakthrough for educational content!

Priya Singh
PS

Priya Singh

Instructional Designer at TVC1

The LLM Chat API has dramatically helped me in how I approach chat integration. It's like giving an AI voice to my application, making it truly engaging. Thanks, ModelsLab!

John H.
JH

John H.

Developer Enthusiast at Mr

Voice Cloning from ModelsLab gave our marketing campaigns a unique edge with custom, realistic voiceovers. It's incredibly easy to use and effective.

Michael Chen
MC

Michael Chen

Digital Marketing Manager at TVC2

Get Expert Support in Seconds

We're Here to Help.

Want to know more? You can email us anytime at support@modelslab.com

View Docs

Finding your perfect voice is as easy as experimenting with our vast library of voice effects and personalization tools. Whether you're creating a rhythmic edge for pop tracks, blending voices with music, or making catchy leads for acoustic sounds, ModelsLab's Voice Changer gives you full creative control. You can add lively tones, customize the pitch, and fine-tune the output until it feels just right. Clean up your raw recordings and polish them into studio-quality audio that stands out. Think of it as your ultimate studio companion to perfect your audio identity.

Yes, you have full control over the refining and perfecting of your audio. Using ModelsLab features, powered by Audiogen, you can upload a script or text prompt and automatically match your changed voice to the content. Reorganize audio sequences, rephrase, change the delivery, and polish the final product to perfection. More than just changing voices, it's creating a voice narrative befitting your project. Edit, adjust, and refine with ease to get professional results every time.

Absolutely! ModelsLab’s Voice Changer lets you mix multiple voices for creative projects, whether you’re dubbing a film, creating characters, or adding layered vocals to music tracks. With support for 43+ languages, you can even translate these voices for global audiences without losing tone or clarity. Create multilingual voiceovers or blend voices seamlessly with other audio for impactful storytelling or content creation.

It's easy to sync your edited voices with videos. You can extend audio tracks, add pauses, emphasize certain words, or even change the pitch and speed to fit the visuals. Our tools allow you to clean up filler words, mute unwanted parts, and enhance overall clarity. Whether you're adding a voiceover to a video or creating an immersive audio experience, the timing and delivery are always in your control.

Yes, ModelsLab offers advanced voice filters and premium features to elevate your audio quality. Add depth, texture, and unique effects to your voice for a polished, professional-grade sound. Whether you’re creating voiceovers for ads, narrations for videos, or personalized greetings, our voice changer ensures every detail is optimized for impact. With premium features, you can also experiment with exclusive voice effects that make your audio truly stand out.

Our voice changer is no ordinary tool—it's a creative playground. Use it to narrate audiobooks, create unique character voices, produce stand-out podcast intros, or design audio branding for your business. Blend voices with background music, add dramatic effects, or even sync it with animation projects. It's the perfect solution for creators, educators, marketers, and professionals looking to amplify their voice-driven content.
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