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85,000+ customers
AI Video Creation
Want your videos to have seamless, realistic lip-syncing without spending hours on editing?
With HeyGen’s AI Lip Sync, you can make any avatar or real person in your video speak fluently and naturally in multiple languages.
HeyGen’s advanced AI technology ensures that lip movements match speech perfectly, creating ultra-realistic talking avatars or dubbing over real footage with precise synchronization. Whether you’re a content creator, educator, marketer, or filmmaker, AI lip sync helps you bring flawless, automated voice synchronization to your videos.


AI Video Creation
Best Practices for AI Lip Syncing
To achieve realistic and smooth AI-powered lip sync, follow these steps:
- Choose a High-Quality Voice – Select from 300+ AI voices in 175+ languages for natural speech delivery.
- Ensure Clear Audio Input – Upload a clean, noise-free audio file or type text-to-speech for the best results.
- Match Speech with Expression – Use HeyGen’s AI avatars with facial expressions that enhance realism.
- Use AI Translation for Multilingual Lip Syncing – Expand your audience by syncing lips to translated speech.


AI Video Creation
Engage Your Audience with Realistic AI Lip Sync
AI-powered lip sync is perfect for dubbing content, making animated avatars more expressive, and creating videos where authenticity and precision matter. Instead of relying on manual adjustments, HeyGen automates the process, giving you highly accurate, natural-looking results in seconds.
HeyGen’s AI Lip Sync feature ensures that every word is perfectly in sync with mouth movements, whether you’re working with custom avatars, real people, or AI-generated videos. With Zapier integration, you can even automate lip-syncing across multiple projects, making content creation faster and more efficient.


How It works?
Create Perfectly Synced Videos in 4 Easy Steps
Bring your videos to life with accurate, multilingual lip-sync powered by AI.
Avatar Types
Endless Ways to Cast Your Avatar.
Clone Yourself, Generate with AI or Pick from Our Stock Avatar Library.
Clone yourself to create a digital twin. Generate an avatar that doesn’t exist with AI. Find a community avatar. Or pick from our stock library. We have over 500 avatars for you to choose from.
AI Translator
Speak Every Language.
Your Avatar Speaks Any Language, Perfectly.
HeyGen’s AI-powered video localization adapts content for different languages and cultures while ensuring natural speech, perfect lip-sync, and seamless engagement. Businesses can create lifelike AI avatars, translate videos into 70+ languages, and customize voices for regional dialects. With AI-driven cultural adaptation, brands can connect authentically with global audiences.
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AI Video Generator FAQs
HeyGen provides over 700 customizable templates suitable for various purposes, including social media content, product explainers, educational videos, and marketing campaigns. These templates are designed to help users create professional videos quickly and efficiently.
Yes, HeyGen's templates are fully customizable. You can modify text, images, colors, and incorporate your brand elements to ensure consistency across your video content.
Absolutely. HeyGen allows you to integrate AI-generated avatars into your videos, enabling you to create engaging content with virtual presenters that can speak multiple languages.
No. The platform is beginner-friendly and drag-and-drop based, designed for anyone to use—no prior video editing experience required.
You can export your final video in high-definition (HD or 4K depending on your plan) and download it in MP4 format.