
Free AI voice generator
Generate natural-sounding voiceovers using Synthesia's AI voice generator. No need for microphones, voice actors, or audio recordings.
Trusted by over 50,000 companies
Generate realistic AI voices from text
Create natural, studio-quality voiceovers in 160+ languages that turn any script into ready-to-use audio in minutes.
Voiceovers that sound human, not robotic

- Capture realistic tone, pacing, and emotion with Synthesia's latest voice technology
- Generate voiceovers that sound human, with the warmth and nuance of a real speaker
- Fine-tune emphasis and pronunciation until every sentence lands the way you intended
The right voice for every audience and use case

- Choose from 400+ voices spanning every tone and delivery style
- Reach any market with 140+ languages and regional accents
- Match the voice to the audience, whether it's for education, training, or marketing
Create a reusable AI version of your voice

- Create a high-quality clone of your own voice from just a short recording
- Preserve your identity, accent, and speaking style so it sounds authentically like you
- Turn one recording into natural-sounding voiceovers across 29 languages
Turn your script into an engaging video

- Put a face to your voiceover with a realistic AI avatar, with no cameras or filming required
- Generate visuals, B-roll, and motion graphics by simply describing what you want
- Create a consistent, professional look using your logo and brand colors
Realistic AI voices for any use case
Education
Turn slides, lectures, and study materials into clear, engaging voiceovers that make complex topics easier to understand and retain. Create consistent audio for lessons, summaries, and revision content that students can listen to anytime, anywhere.
Training
Deliver consistent, scalable training voiceovers for courses, onboarding, and internal enablement without relying on recordings. Update content quickly, localise training across teams, and ensure every employee gets the same high-quality learning experience.
Marketing
Create high-quality voiceovers for ads, explainers, and landing page videos quickly and affordably. Test different messages, scale campaigns across channels, and produce polished audio without studios, voice actors, or long turnaround times.
How to generate your own AI voice clone
Create your account
To clone your voice, you’ll need a Synthesia Enterprise plan.
Record your voice
Find a quiet spot, open the “Voices” tab, select “New voice,” and follow the on-screen steps to record.
Create with your new AI voice
Use your AI generated voice to create fully customized videos in Synthesia.


Explore our range of AI voices
Save time and reduce costs with AI voice generation
Frequently asked questions about AI voice generation
What is an AI voice generator?
An AI voice generator is a tool that turns written text into natural-sounding speech using artificial intelligence. Instead of recording audio manually, you can generate voiceovers instantly in different languages, accents, and tones.
How does an AI voice generator work?
AI voice generators use advanced text-to-speech (TTS) models trained on human speech. You input your script, choose a voice, and the AI converts your text into realistic audio, capturing pronunciation, pacing, and tone automatically.
How do I create an AI voiceover?
Type or paste your text into the editor, choose your AI voice, and generate your audio in seconds. Download your file and use it anywhere you need.
Is Synthesia’s AI voice generator free to use?
Yes, you can try Synthesia’s AI voice generator for free. Paid plans unlock additional features like more voices, longer scripts, and advanced customization options.
Can I use the audio generated by Synthesia’s AI voice generator for commercial purposes?
Yes, you can use the generated audio for commercial purposes, including marketing, training, and content creation, as long as it complies with Synthesia’s terms of service.
How do I convert my script into an AI video?
Simply paste your script into Synthesia, choose an AI voice and avatar, and generate your video. Your voiceover will be automatically synced with the avatar, creating a professional video in minutes.
What languages does Synthesia support?
Synthesia supports 160+ languages and accents, allowing you to create voiceovers for global audiences and localise your content easily.
Can I make an AI of my own voice?
Yes! You can create your own AI voice using Synthesia’s built-in voice cloning feature. Your voice will appear in your account and can be used across videos and voiceovers, helping you create content that sounds uniquely like you at scale.
Not just an AI voice generator
Beyond turning text into realistic AI voices, Synthesia helps you scale production with powerful tools like the AI script generator, AI dubbing that perfectly translates and lip-syncs your video content in 140+ languages and accents, and a library of professional video templates designed for training, marketing, and more.
Need to convert a slide deck into a video? Use our PPT to video tool to save hours of editing. Synthesia has everything you need to create professional videos at scale all in one place.





