Free AI Avatar Generator

An AI avatar is a digital representation of a human in a virtual setting generated by artificial intelligence. They are virtual personas that can simulate human-like behaviors, emotions, and interactions and are often seen used in AI talking head videos, where the avatars speak and respond just like a real people.

Synthesia’s stock AI avatars are trained on real actors with their explicit consent, and actors are paid per video that’s generated with their image. The base video footage is then processed by an AI model which creates new videos from text.

Watch a short video to learn more about how avatars are created.

An AI avatar generator is a tool that creates digital avatars—either animated or hyper-realistic—that can mimic human-like movements and speech using artificial intelligence. These tools are commonly used for video content creation, eliminating the need for real actors, studios, or extensive video production.

Synthesia is the best AI avatar generator because it has the most realistic avatars, an easy to use editor, and multilingual support. It eliminates the need for filming or actors, as users simply type a script, choose an avatar, and generate a polished video.

With natural facial expressions, lip-syncing, and support for 140+ languages, it’s ideal for training, marketing, and eLearning. You can even customize outfits and environments or prompt avatars to move and perform actions in B-roll, making videos more dynamic and visually engaging. Its intuitive interface and customization options make professional video creation fast, cost-effective, and accessible to anyone.

Synthesia's AI video generator is used for business purposes with strict content moderation. We ask all our users to keep scripts professional and business related. Political, sexual, personal, criminal and discriminatory content won't be allowed.

To create a custom avatar in Synthesia, you just need to record a short video of yourself. The AI then processes it into a lifelike digital version of you that mimics your expressions and speech. Once ready, you can generate videos by simply typing a script, making it perfect for personalized training, branding, or scalable content creation.

You can learn more about custom avatars here.

We have a wide selection of synthetic voices ready to be used with all of our avatars. You can see some language demos here.

With a tool like Synthesia, the process is incredibly simple:

• Create a free Synthesia account
• Select a stock AI avatar or create your own, and then type in your video script
• Add b-roll and other visual elements, as well as music and animations
• Download, share, upload to platform of your choice

Yes, research shows that AI-generated avatars can be just as effective for learning as traditional instructor videos. A UCL study using Synthesia found that learners achieved equal knowledge gains and engagement levels when taught by an AI avatar compared to a human instructor. Avatars make it faster and more affordable to create or update learning content without compromising quality.

Express-2 avatars are Synthesia's latest generation of AI video avatars that offer enhanced expressiveness and natural body language. Key features of Express-2 avatars include:

• Full-body visibility with expressive body language that's synchronized with the script
• Multiple camera angles you can swap between
• Improved lip-sync and facial expressions that match the emotional tone of your content
• Highly realistic and engaging performances that create more immersive videos

Yes, you can create videos with AI avatars for free using Synthesia's basic plan, which gives you access to some of the platform's stock and customizable avatars, along with core features. This allows you to experience how AI avatars work by typing in text and generating a video with a realistic presenter in minutes, without needing a credit card or signup. With customizable avatars, you can also use prompts to change outfits and environments, and even have avatars act in scenes using Synthesia’s Veo 3 integration.