Commercial use OK
380+ models
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Model:
+ GPT-5, Claude, Gemini
Changed Voice Audio
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Change your voice with AI. Multiple effects and styles.
1
Type text, upload a file, or describe what you want. No account needed.
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Our AI processes your request in seconds using the best open-source models.
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Download, copy, or share your result. Free for personal and commercial use.
Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.
curl -X POST https://api.free.ai/v1/tts/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"text": "Hello from Free.ai", "voice": "af_heart", "model": "kokoro"}'Voice Changer is an AI voice tool that generates or processes natural-sounding speech using open-source voice models, in many voices and languages. It runs free on Free.ai with no sign-up required to get started.
Voice Changer is built for creators who need narration or voice audio without recording gear or a voice actor. It covers narration, voice cloning, and other speech audio — pick this tool when that’s what you need.
Nothing but an idea. Describe what you want in the box on this page and Voice Changer produces a result in seconds. Refine your description and regenerate until it’s right.
Yes. You get 2,500 free tokens per day with no account at all, or 30,000 tokens/day with a free account. Voice Changer draws from that daily pool; if you need more, token packs start at $1.
Voice Changer delivers audio as WAV by default, which you can convert to MP3 or other formats with any audio tool. Sample rate and channel layout are preserved from the source where applicable.
Feed Voice Changer the cleanest source you have — less background noise in means better separation and clarity out. For multi-step work, process one stage at a time and listen before continuing.
Yes. Audio you produce with Voice Changer is yours to use in videos, podcasts, and other commercial work. The underlying audio models are open-source with permissive licenses.
No. Use Voice Changer immediately as a guest. A free account doubles your daily tokens to 30,000, saves your history, and unlocks larger inputs — but it is optional.
Audio you send to Voice Changer is processed on our servers and is not used for model training. Files are not retained beyond the share window unless you save them while signed in.
Voice Changer runs on best-in-class open-source AI models on our own infrastructure — no third-party API keys, no per-call surcharge. We update the underlying models as better ones are released.
Yes. Voice Changer works in any modern mobile browser — the layout adapts to your screen, so you can use it on a phone or tablet with no app to install.
A lot. Beyond Voice Changer, Free.ai bundles narration, voice cloning, and other speech audio alongside hundreds of other free AI tools — chat, images, audio, video, code, and more — all sharing the same daily token pool. Browse the categories to find your next one.
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