What is Synthesys?
Synthesys is an AI avatar video generator that creates videos using lifelike digital avatars with natural voiceovers. Users can turn text scripts into talking avatar videos without filming or recording. The platform supports over 140 languages, allowing fast, multilingual video creation. Synthesys combines voice generation, dubbing, translation, and visual tools to help users build videos for marketing, education, and content creation using realistic AI avatars.
Features & Benefits
- AI Avatar Video Generator – Generate realistic talking avatars with synced facial expressions, gestures, and lip movements from text input.
- AI Voice Generator – Create voiceovers using 600+ realistic voices in 140+ languages with natural tone and pronunciation.
- Custom AI Avatars – Upload your own image or clone yourself to build fully personalized AI avatars for your videos.
- AI Video Translator – Translate avatar videos into 31+ languages with automatic voice sync and subtitle alignment.
- AI Dubbing – Replace existing voices in videos using new AI-generated voice tracks that match original tone and timing.
- Speech-to-Speech AI – Convert your voice into another accent or language, retaining emotion and rhythm.
- Image-to-Video AI – Animate static images by adding video avatars and movement to create dynamic scenes.
- AI Audio Translation – Translate audio content into multiple languages using automated speech recognition and synthesis.
- AI Image Generator – Create background visuals and custom images to support your AI avatar video generator workflow.
- Synthesys X – Reimagine any image found online using AI to create personalized, modified versions.
Real-world applications
A marketing team may use Synthesys as an AI avatar video generator to produce promotional content in different languages. With realistic avatars and voice dubbing, they can quickly turn one video into versions for multiple regions without hiring new voice actors or translators.
Freelancers and content creators might use Synthesys to make faceless videos for YouTube. By entering a script, selecting an AI avatar, and choosing a voice, they can produce consistent video content without appearing on camera.
Training departments in large companies may generate onboarding or instructional videos using AI avatars. This allows teams to deliver standardized content across departments while easily updating materials as policies change.
Agencies working with international clients can use Synthesys to localize product explainers. They may choose avatars that match the target market and translate the script with built-in dubbing tools, saving time and maintaining visual consistency.