AI Dubbing - Free Video Dubbing Tool (140+ Languages)

Dubbing 2.0

To celebrate the launch of Dubbing 2.0, every user gets 15 free minutes of dubbing a day. Limited time: July 15 to August 15. That's up to 450 minutes total. Unused minutes don't roll over to the next day.

Dubbing 2.0 is here. Get up to 450 free minutes.

What do you like best about Synthesia?

How easy it is to use and get started! The platform is user-friendly - anyone can do it! It's also very easy to download and upload the videos into an LMS or other video hosting platform.

User Review

Zach F.
Senior Learning & Development Analyst
One of 2,000+ 5-star reviews on G2

Free AI Video Dubbing

Dub videos into 140+ languages with voice cloning and perfect lip-sync.

Choose your language:

Upload your video

Your first minute of video is completely free. We’ll trim any longer videos.

Features

  1. Lip sync: If your video features people speaking, we'll sync their lip movements to the translated audio.
  2. Remove watermark: Upgrade to generate your translated video without a watermark.
  3. Generate subtitles: Subtitles are auto-generated for dubbed videos and viewers can toggle them on or off in the Multilingual Player.
  4. Multi-voice: AI dubbing supports multiple speakers and automatically preserves each speaker’s voice.
  5. Video duration: Control whether the video duration stays fixed or adjusts for translation.

Why AI dubbing vs subtitles?

How to dub a video with AI in Synthesia

  1. Upload your video: Add an MP4, MOV, or WebM file. Synthesia automatically detects the original language.
  2. Choose your target languages: Pick from a wide range of languages and accents, then set your dubbing preferences.
  3. Review and fine-tune: Play each dubbed version, tweak the script for accuracy, or switch voices in the editor until it’s perfect.
  4. Publish with one smart link: Generate the final versions and share a single player link. Viewers automatically see their language.

FAQs

Is AI dubbing free?

Yes. You can upload a video and generate a full dubbed version for free.

Which languages are supported for AI dubbing?

Synthesia supports 140+ languages and dialects for AI dubbing, including right-to-left scripts and regional variants.

Can I edit a dubbed video after it has been generated?

Yes. After a dubbed video finishes generating, you can open it in the editor and correct any line in the translated script.

Can I dub videos in bulk?

Yes. If you have a large catalog to localize, Synthesia's Dubbing API lets you submit multiple videos programmatically.

The best AI video dubbing tool for modern teams

Synthesia is an end-to-end AI video platform to create, localize, manage, publish, and engage at scale.