Synthesia - AI video translator

Automatically translate videos to English and 140+ other languages with 1-click translations. Create localized videos to reach the worldwide audience.

• Translate audio and on-screen elements

• Add translated closed captions

• 140+ languages & accents supported

The smartest AI Video Translation Software

Fast and accurate video translation

Translate audio, subtitles, and on-screen elements - at the click of a button. Synthesia's AI video translator creates a voiceover in any language in seconds. The subtitles will be generated automatically. You can also translate all on-screen text elements to seamlessly sync them with the narration.

Built in AI video narrators

To make your videos even more engaging and accessible, add AI-powered avatars to perfectly narrate your Synthesia generated videos. Choose from 230+ AI-powered avatars or create a custom avatar, your digital twin, to bring your content to life and provide seamless narration.

Collaboration and smart editing

Co-edit videos with your team in real-time, share feedback, and invite experts to ensure the final version is as good as it can be. Need to tweak the translated version? Simply edit the script and the video will regenerate to match it.

All translations in a single player

Easily manage and store all your translated videos in Synthesia, and embed them all in a single, multilingual player for a smooth playback experience for your viewers. Videos will auto-play in the recipient’s browser language and allow them to switch between different translations.