HeyGen

HeyGen is an AI that creates a talking avatar video with a single photo. It is often used in multilingual dubbed video production.

This is an AI video service that creates talking avatar videos using only photos or short shots. It is especially famous for its multilingual dubbing and video translation functions that even match the shape of your mouth.

It is suitable for companies and creators who want to make lectures, promotions, and guide videos without filming. There is a free trial, and full use is a paid subscription.

It is often compared to Synthesia, which is strong in corporate avatar videos, and operates an identity verification process to prevent deepfake abuse.

✅ Strengths

• Reduces production costs by allowing you to create videos featuring people without filming or voice actors
• Multilingual dubbing and mouth synchronization quality is excellent
• Many templates make it easy to use even without video production experience

⚠️ Limits

• If you look closely, unnatural facial expressions or movements remain
• The free plan has large video length and feature limitations
• You must consider viewers' resistance to avatar videos