AI Lip Sync for Your Translated Videos
AI Lip Sync for Your Translated Videos
Translate your video and sync the speaker’s lips to dubbed speech, all in one workflow.
Translate your video and sync the speaker’s lips to dubbed speech, all in one workflow.
Start Lip Sync
Start Lip Sync
Lip sync is available on paid plans.
See AI Lip Sync in Action
Compare the original video with the translated, lip-synced version. Watch how the mouth movements change.
Original
Original
Original
Lip-sync
Lip-sync
Lip-sync
What Is AI Lip Sync?
What Is AI Lip Sync?
AI lip sync adjusts a speaker’s mouth movements to match an audio track. For video translation, it aligns the visible speech with the dubbed language. Perso Dubbing combines translation, voice dubbing, and lip sync in one workflow.
AI lip sync adjusts a speaker’s mouth movements to match an audio track. For video translation, it aligns the visible speech with the dubbed language. Perso Dubbing combines translation, voice dubbing, and lip sync in one workflow.
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How to Create a Lip Sync Video
How to Create a Lip Sync Video
1. Upload your video
Start with an existing video of your speaker.
2. Choose your language and lip sync
Select the target language and lip sync option for your dubbed video.
3. Review and download
Check the translated speech and mouth movements, then download your video.
Upload your video, choose the dubbed language and lip sync, then review your result.
Upload your video, choose the dubbed language and lip sync, then review your result.
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Why Perso Dubbing Lip Sync
Is Unmatched
Most AI lip-sync tools break down when the mouth is partially covered
—by hands, text, glasses, or even masks—causing jittery or distorted visuals.
Perso Dubbing solves that.
Natural Lip Sync — Even When the Face is Partially Covered
Natural Lip Sync — Even When the Face is Partially Covered
Minimizes jitter and distortion around the mouth—even when partially blocked
Handles challenging frames like masks, hands, or subtitles without visual noise
Delivers stable, pixel-accurate lip rendering for clean, high-quality output
Minimizes jitter and distortion around the mouth—even when partially blocked
Handles challenging frames like masks, hands, or subtitles without visual noise
Delivers stable, pixel-accurate lip rendering for clean, high-quality output
Accurate Jaw & Facial Motion
Accurate Jaw & Facial Motion
Tracks subtle lower-face movements (like chin & jaw)
Maintains overall facial harmony—no "cut-out" or disjointed lip overlays
Tracks subtle lower-face movements (like chin & jaw)
Maintains overall facial harmony—no "cut-out" or disjointed lip overlays
Flawless Performance in Real-World Footage
Flawless Performance in Real-World Footage
Works reliably even with partial occlusions or motion blur
Automatically applies fine-grained masks to lips, teeth, and surrounding facial areas
Produces seamless, high-quality results that look natural on real human footage
Enhanced Video Pipeline Engine
Enhanced Video Pipeline Engine
Advanced rendering engine ensures smoother transitions and stable visuals
Reduces visual noise across frames, even with motion blur, lighting shifts, or rapid gestures
Designed for production-scale output without compromising detail or quality
Advanced rendering engine ensures smoother transitions and stable visuals
Reduces visual noise across frames, even with motion blur, lighting shifts, or rapid gestures
Designed for production-scale output without compromising detail or quality
Built for Global Scale and Multilingual Reach
Built for Global Scale and Multilingual Reach
99+ languages supportedVoiceovers and lip motion generated together in syncPerfect for contentlocalization at global scale
99+ languages supportedVoiceovers and lip motion generated together in syncPerfect for contentlocalization at global scale
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Why Perso Dubbing Lip Sync
Is Unmatched
Most AI lip-sync tools break down when the mouth is partially covered
—by hands, text, glasses, or even masks—causing jittery or distorted visuals.
Perso Dubbing solves that.
Natural Lip Sync — Even When the Face is Partially Covered
Minimizes jitter and distortion around the mouth—even when partially blocked
Handles challenging frames like masks, hands, or subtitles without visual noise
Delivers stable, pixel-accurate lip rendering for clean, high-quality output
Accurate Jaw & Facial Motion
Tracks subtle lower-face movements (like chin & jaw)
Maintains overall facial harmony—no "cut-out" or disjointed lip overlays
Flawless Performance in Real-World Footage
Works reliably even with partial occlusions or motion blur
Automatically applies fine-grained masks to lips, teeth, and surrounding facial areas
Produces seamless, high-quality results that look natural on real human footage
Enhanced Video Pipeline Engine
Advanced rendering engine ensures smoother transitions and stable visuals
Reduces visual noise across frames, even with motion blur, lighting shifts, or rapid gestures
Designed for production-scale output without compromising detail or quality
Built for Global Scale and Multilingual Reach
99+ languages supportedVoiceovers and lip motion generated together in syncPerfect for contentlocalization at global scale
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Developed by ESTsoft,
an Advanced AI Research
Our Lip Sync Engine Is Built In-House
Our Lip Sync Engine Is Built In-House
Crafted in-house by ESTsoft’s AI experts, with decades of experience
in production-grade software and real-time vision technology.
it's crafted in-house by ESTsoft’s AI experts with decades of experiencein production-grade software and real-time vision technology.
Perso Dubbing's lip sync engine is powered by cutting-edge R&D
Perso Dubbing’s lip sync engine is powered by cutting-edge R&D
Trained on diverse multilingual datasets to ensure realistic phoneme-to-mouth matching
Optimized with deep neural rendering models for highly natural visual transitions
Designed to handle real-world variability—lighting, occlusions, facial types—without breakin sync
Continuously improved by in-house researchers, engineers, and production experts
Built in-house with enterprise-grade encryption, our pipeline processes your video and voice data securely.
> For details on how we handle your content — and how to evaluate any AI dubbing platform's safety standards — see our guide on whether AI dubbing is safe to use.
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Which AI Lip Sync Tool Should You Choose in 2026?
The right AI lip sync tool depends on your workflow — face-led creator videos,
editor-native post-production, avatar-based content, or large multilingual libraries.
Here's how four leading platforms compare on lip sync capabilities specifically,
based on each one's publicly documented features.
Perso Dubbing
Perso Dubbing
Perso Dubbing is an AI lip sync platform that synchronizes facial and lip movements with dubbed audio across multilingual content, including faces partially covered by hands or microphones.Best forCreators · Marketers · Product demos · Face-led video contentKey strengths98.5% lip sync accuracy — the only platform among these four to publicly disclose a quantified metricSupports 99+ languages with lip sync and voice cloning across all of themWorks on faces partially covered by hands, microphones, or other obstructionsUnder 3 minutes processing time per videoFrame-level processing via ESTsoft’s in-house pipeline engineLip sync available on paid plans; integrated workflow (lip sync + voice cloning + script editing in one platform)
sync.so (sync. labs)
sync.so (sync. labs)
sync.so is an AI lip sync and visual dubbing platform built for editor-native workflows, with direct integration into Adobe Premiere Pro and ComfyUI.
Best for
Post-production teams · Filmmakers · Editor-native workflows
Key strengths
Adobe Premiere Pro plugin and ComfyUI node for direct integration into existing editing pipelines
Supports 29+ languages for visual dubbing
4K ProRes output for professional post-production
Multiple face support in a single video
REST API + SDKs for custom workflows
HeyGen
HeyGen
HeyGen is an AI video generation platform that combines AI avatar creation with lip sync for multilingual video translation across 175+ languages.
Best for
Avatar-based content creators · Marketing teams · Solo content makers
Key strengths
175+ languages and dialects — highest language count among compared tools
AI avatar lip sync for talking-head and avatar-based videos
Translate, dub, and lip-sync within a single workflow
AI-generated subtitles and voiceovers built in
API and integrations available (Enterprise plan)
Free tier: 3 videos/month, up to 3 minutes each
Rask AI
Rask AI
Rask AI is an AI video localization platform with lip sync and multi-speaker translation across 130+ languages, designed for scaling large video libraries.
Best for
Content teams · Media companies
Key strengths
Supports 130+ languages (accuracy figure not publicly disclosed)
Multi-speaker translation support — useful for podcasts, interviews, panel discussions
Voice cloning in 32 languages
135 languages for text translation
Free Tools section (Subtitle Generator, AI Dubbing) + API access
Suitable for batch processing large video libraries
Start Now
Which AI Lip Sync Tool Should You Choose in 2026?
it's crafted in-house by ESTsoft’s AI experts with decades of experiencein production-grade software and real-time vision technology.
Perso Dubbing
Perso Dubbing is an AI lip sync platform that synchronizes facial and lip movements with dubbed audio across multilingual content, including faces partially covered by hands or microphones.Best forCreators · Marketers · Product demos · Face-led video contentKey strengths98.5% lip sync accuracy — the only platform among these four to publicly disclose a quantified metricSupports 99+ languages with lip sync and voice cloning across all of themWorks on faces partially covered by hands, microphones, or other obstructionsUnder 3 minutes processing time per videoFrame-level processing via ESTsoft’s in-house pipeline engineLip sync available on paid plans; integrated workflow (lip sync + voice cloning + script editing in one platform)
sync.so (sync. labs)
sync.so is an AI lip sync and visual dubbing platform built for editor-native workflows, with direct integration into Adobe Premiere Pro and ComfyUI.
Best for
Post-production teams · Filmmakers · Editor-native workflows
Key strengths
Adobe Premiere Pro plugin and ComfyUI node for direct integration into existing editing pipelines
Supports 29+ languages for visual dubbing
4K ProRes output for professional post-production
Multiple face support in a single video
REST API + SDKs for custom workflows
HeyGen
HeyGen is an AI video generation platform that combines AI avatar creation with lip sync for multilingual video translation across 175+ languages.
Best for
Avatar-based content creators · Marketing teams · Solo content makers
Key strengths
175+ languages and dialects — highest language count among compared tools
AI avatar lip sync for talking-head and avatar-based videos
Translate, dub, and lip-sync within a single workflow
AI-generated subtitles and voiceovers built in
API and integrations available (Enterprise plan)
Free tier: 3 videos/month, up to 3 minutes each
Rask AI
Rask AI is an AI video localization platform with lip sync and multi-speaker translation across 130+ languages, designed for scaling large video libraries.
Best for
Content teams · Media companies
Key strengths
Supports 130+ languages (accuracy figure not publicly disclosed)
Multi-speaker translation support — useful for podcasts, interviews, panel discussions
Voice cloning in 32 languages
135 languages for text translation
Free Tools section (Subtitle Generator, AI Dubbing) + API access
Suitable for batch processing large video libraries
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AI Lip Sync for Video Translation
Creator videos
Bring your talking-head videos to new audiences with translated speech and matching lip movements.
Bring your talking-head videos to new audiences with translated speech and matching lip movements.
YouTube, TikTok, and Reels
YouTube, TikTok, and Reels
Product demos and video ads
Localize the speaker’s message while keeping your existing footage.
Localize the speaker’s message while keeping your existing footage.
Product demos and video ads
Product demos and video ads
Courses and training
Translate instructor-led videos for learners who speak another language.
Translate instructor-led videos for learners who speak another language.
Courses and corporate training
Courses and corporate training
Video interviews
Translate recorded conversations with visible speakers for audiences in another language.
Translate recorded conversations with visible speakers for audiences in another language.
Interviews and video podcasts
Interviews and video podcasts
Create Your Next Lip-Synced Video
Translate your video and match the speaker’s lips to the dubbed language.
Translate your video and match the speaker’s lips to the dubbed language.
Start Lip Sync
Start Lip Sync
Available on paid plans.
AI Lip Sync FAQ
Is Perso Dubbing’s AI lip sync free?
What is the difference between AI dubbing and lip sync?
Can I use AI lip sync for video translation?
Which languages does Perso Dubbing support?
How can I get the best lip sync results?
Dubbing Software Perso Dubbing
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Dubbing Software Perso Dubbing
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Dubbing Software Perso Dubbing
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