Video Edit page

Edit your video before generating it.

Video Metadata

Set a title for your video in the upper left corner of the video edit page. Clicking on the hamburger icon next to the video title allows you to control the following video metadata:

  • Brand kit: The video brand kit to apply.
  • Video Size: The video aspect ratio.
  • Duplicate video: Duplicate the current video into your My video section.
  • Show version history: Shows the video versions available.
  • Delete: Delete your video. Once delete, your video goes into the Trash section.

Video size

To assist with all your video creation needs, create your video in several aspect ratios:

NameRatioWidth (px)Height (px)Best for
Landscape16:919201080Desktop, TV, Youtube
Portrait9:1610801920IG reels, TikTok, Stories
Square1:110801080Linkedin, IG posts, Twitter
Tall4:510801350Tall IG posts
Wide5:413501080Linkedin, IG post, Twitter
Video Aspect ratio

Video Aspect ratio


The main part of the video edit page is the Scene (in the middle). A Synthesia video is composed of multiple scenes in a row, linked by scene transitions.

New scene

Select the + on the left panel to add a new scene to your video. When adding a new scene pick its layout out of the current template.

Scene Assets

Assets (avatars, text, images, videos...) can be added to your scenes. After adding them you can control how they animate when entering and existing the scene and when they should trigger their animations.

See the Scene Assets documentation to discover all of them and their different Styling options.


The script controls what is happening in your scene, use it to set the avatar that is speaking, its language and voice. Configure triggers to trigger asset animations on the right timing, on the right words.

See the Script documentation to learn more.

Share / Invite

Click on the Invite button in the upper right corner of the page to share the current video with another Synthesia user. Shared video appears in the Shared with me section for the other user:

When sharing a video chose between the following level of access:

  • Full access: User can comment, edit, and share the video.
  • Can edit: User can comment and edit the video but can't share it.
  • Can comment: User can comment but can't either edit or share the video.

Video Preview

Click on the play button in the upper right corner of the page to launch a full-video preview of the current video. You should always launch a preview before generating a video in order to verify that everything is in order.


Avatars animation

Only expressive avatars are animated upon preview.

Generate video

To launch the generation of your video, click on the Generate button in the upper right corner of the video edit page , make sure your video has:

  • A Title: The video title displayed in your Synthesia account and on the share page
  • A Description: The video description that is displayed on the share page.
  • Whether caption should be included in the generated video or not.

Video caption

Your video caption is composed of the script you have attached to all of your scene. It is important to note that whether you decide to include or exclude captions your video, your viewers won't be able to turn them on or off.

Current supported languages for caption generation are: Afrikaans / Albanian / Amharic / Azerbaijani / Basque - ๐Ÿ‡ช๐Ÿ‡ธ / Bengali / Bosnian / Bulgarian - ๐Ÿ‡ง๐Ÿ‡ฌ / Catalan / Cantonese - ๐Ÿ‡ญ๐Ÿ‡ฐ / Chinese - ๐Ÿ‡จ๐Ÿ‡ณ / Croatian - ๐Ÿ‡ญ๐Ÿ‡ท / Czech - ๐Ÿ‡จ๐Ÿ‡ฟ / Danish - ๐Ÿ‡ฉ๐Ÿ‡ฐ / Dutch - ๐Ÿ‡ณ๐Ÿ‡ฑ / English - ๐Ÿ‡ฌ๐Ÿ‡ง/๐Ÿ‡บ๐Ÿ‡ธ / Estonian / Filipino / Finnish / Flemish - ๐Ÿ‡ง๐Ÿ‡ช / French - ๐Ÿ‡ซ๐Ÿ‡ท / Georgia / German - ๐Ÿ‡ฉ๐Ÿ‡ช / Greek - ๐Ÿ‡ฌ๐Ÿ‡ท / Gujarati / Hebrew - ๐Ÿ‡ฎ๐Ÿ‡ฑ / Hindi - ๐Ÿ‡ฎ๐Ÿ‡ณ / Hungarian - ๐Ÿ‡ญ๐Ÿ‡บ / Italian - ๐Ÿ‡ฎ๐Ÿ‡น / Irish / Japanese - ๐Ÿ‡ฏ๐Ÿ‡ต / Kannada / Kazakh - ๐Ÿ‡ฐ๐Ÿ‡ฟ / Korean - ๐Ÿ‡ฐ๐Ÿ‡ท / Latvian / Lithuanian - ๐Ÿ‡ฑ๐Ÿ‡น / Macedonian - ๐Ÿ‡ฒ๐Ÿ‡ฐ / Malay - ๐Ÿ‡ฒ๐Ÿ‡พ / Maltese / Marathi / Nepali / Norwegian - ๐Ÿ‡ณ๐Ÿ‡ด / Pashto / Persian - ๐Ÿ‡ฎ๐Ÿ‡ท / Polish - ๐Ÿ‡ต๐Ÿ‡ฑ / Portuguese - ๐Ÿ‡ต๐Ÿ‡น / Punjabi / Romanian - ๐Ÿ‡ท๐Ÿ‡ด / Russian - ๐Ÿ‡ท๐Ÿ‡บ / Sinhalese / Slovak - ๐Ÿ‡ธ๐Ÿ‡ฐ / Slovenian - ๐Ÿ‡ธ๐Ÿ‡ฎ / Somali / Spanish - ๐Ÿ‡ช๐Ÿ‡ธ / Swedish - ๐Ÿ‡ธ๐Ÿ‡ช / Serbian - ๐Ÿ‡ท๐Ÿ‡ธ / Sundanese / Swahili / Tamil / Telugu / Turkish - ๐Ÿ‡น๐Ÿ‡ท / Ukrainian - ๐Ÿ‡บ๐Ÿ‡ฆ / Uzbek / Wu - ๐Ÿ‡จ๐Ÿ‡ณ / Zulu