Turn voice into anything you can imagine.
Applio is a complete, open-source AI voice conversion suite. Create AI covers, train custom voice models, and convert voices in real time — on your desktop or in the cloud.
Features
Everything you need for voice conversion
From a single cover to a fully custom voice, Applio ships with a complete set of tools for audio work.
Voice Conversion
Convert any audio into another voice with ready-made voice models. Tune pitch, clean, upscale, and batch-process files effortlessly.
Real-Time Voice
Change your voice live with low-latency inference, perfect for songs, streams, and calls.
Model Training
Train your own voice from your dataset. Pre-process, extract, train and export a model in just a few steps.
Voice Blender
Blend multiple voice models into one unique new voice with full control over each contributor.
Text-to-Speech
Generate speech from text and run it through your voice models, opening up a whole world of content.
Audio Analyzer
Prepare your datasets and check their readiness with detailed audio health information before training.
Get started
From zero to your first conversion
Get Applio
Download the standalone Desktop app or choose the classic Gradio WebUI.
Pick or train a voice
Use community-shared voice models, or train your own voice with your own audio datasets.
Find voice modelsConvert your audio
Transform songs, speech, or microphone input with high fidelity and real-time inference.
Test in playgroundOpen source
Built in the open, free for everyone
Applio is an open source, community-driven project. No accounts, no paywalls, and no telemetry — just pure, auditable code.
MIT licensed
Use, modify, and redistribute Applio freely for personal projects, research, or commercial work.
Community driven
Maintained by creators and contributors around the world. Every feature, bug fix, and roadmap item is discussed openly.
Transparent by default
No telemetry and no account needed. Everything runs locally on your machine, fully open for anyone to inspect.
News
Latest from the blog
Introducing Our New Website
We've rebuilt Applio's website from the ground up using Astro, focusing on performance, simplicity, and user experience.
Read moreChanges to Model Access
An important announcement regarding changes to model access in Applio to ensure responsible usage and community safety.
Read moreStart creating voices today
Free, open source, and built for everyone — from complete beginners to seasoned audio engineers.