概览
主要功能
- AI 驱动的唇部动作同步
- 文本转语音语音生成
- 支持自定义音频上传
- 基于浏览器的视频处理
- 多语言语音选项
- 可下载的同步视频输出
价格
- 模型
- Free
- 分类
- AI
- 评分
- 4.5 / 5 (6)
使用场景
多语言视频配音
将现有视频翻译并配音到不同语言，同时保持说话者的唇部动作与新音频对齐，实现自然的本地化。
创作者快速替换配音
上传视频片段并替换新的配音或 AI 生成的语音，让创作者在无需重新拍摄的情况下修复脚本错误或更新旁白。
教育内容本地化
教育工作者可以使用文本转语音技术将讲座或教程视频适配到多种语言，生成针对不同学生群体的唇部同步版本。
营销广告变体
营销人员可以通过更改口语文本，从一个源视频生成多个唇部同步的广告版本，支持 A/B 测试和区域活动。
优点 & 缺点
优点
- 免费在线使用，无需安装
- 支持文本转语音和上传音频
- 适用于配音和多语言内容
- 适合初学者的工作流程
缺点
- 输出质量取决于源视频清晰度
- 可能难以处理侧面角度或遮挡的脸
- 免费版本可能有限制视频长度或分辨率
评测
6 个评分的平均值。
登录以留下评测。
Solid for our team
We rolled this out across the team last quarter and free to use online with no install required. Text-to-speech voice generation fits neatly into how we already work, and custom audio upload support removed a step we used to do by hand. but it has held up under daily use.
Skeptical, then convinced
I went in skeptical — most tools in this space overpromise. It actually delivers on browser-based video processing, and useful for dubbing and multilingual content caught me off guard. Free tier likely has length or resolution limits is why this isn't a perfect score, still, I'd recommend giving it a real trial.
Does the job
Pretty happy overall. Custom audio upload support just works and supports both text-to-speech and uploaded audio. but no dealbreakers — I'd recommend it to a friend without hesitating.
Use it every day
Honestly didn't expect to like it this much. Custom audio upload support is exactly what I needed, and free to use online with no install required. I do wish output quality depends on source video clarity, but I reach for it almost every day now and it just clicks.
Solid for our team
We rolled this out across the team last quarter and free to use online with no install required. Custom audio upload support fits neatly into how we already work, and multi-language voice options removed a step we used to do by hand. Free tier likely has length or resolution limits, which is the main caveat, but it has held up under daily use.
Skeptical, then convinced
I went in skeptical — most tools in this space overpromise. It actually delivers on multi-language voice options, and free to use online with no install required caught me off guard. Free tier likely has length or resolution limits is why this isn't a perfect score, still, I'd recommend giving it a real trial.
问答
What can I create with Lip Sync AI?
With Lip Sync AI, you can create talking avatars, AI presenters, social media videos, marketing content, educational clips, character dialogue videos, and creative storytelling content. The AI lip sync video generator supports video creation from images, avatars, and uploaded videos, helping transform static visuals into engaging talking videos.
Asked by Tobias Hartmann · Jan 29, 2026
Can I use Lip Sync AI for free?
Yes. You can try free Lip Sync AI with one free generation using anonymous access. New users can experience the core AI lip sync features before creating an account. Logged-in users receive 20 free credits every day, which reset every 24 hours, making it easier to create more AI lip sync videos online.
Asked by Chidi Okonkwo · Jan 27, 2026
Can I use Lip Sync AI without signing up?
Yes. Lip Sync AI supports no sign up access for first-time users. You can try the basic lip sync experience online without creating an account. Anonymous users can use the default Lip Sync 1.0 model for a free generation, while creating an account unlocks additional benefits such as daily credits and longer history storage.
Asked by Vikram Rao · Dec 28, 2025
What is the difference between Lip Sync 1.0 and Lip Sync 2.0?
Lip Sync 1.0 is the default fast model designed for quick AI lip sync creation. It uses 1 credit per second and supports videos up to 100 seconds with files up to 100MB. Lip Sync 2.0 is the advanced model for higher-quality results. It provides more realistic facial movement and professional output, using 5 credits per second with support for videos up to 40 seconds and files up to 100MB.
Asked by Vasyl Kovalenko · Dec 13, 2025
How long can AI lip sync videos be?
The maximum video length depends on the selected model. Lip Sync 1.0 supports up to 100 seconds, while Lip Sync 2.0 supports up to 40 seconds. Generated video duration is also based on available credits because each second consumes credits during processing.
Asked by Hosanna Marte · Dec 1, 2025
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