Image file format and dimensions for your event

You can include images on different sections of your event on Brella. Thus, get the right dimensions so your materials look top-notch.

To be covered:


The event can be customized to suit your requirements by using images or videos of different dimensions which will allow it to stand out from others. 

Cover photo

Home page Image and Video

Event welcome screen images

Guidelines for the welcome screen desktop image:
  • Recommended min. size: 960x1280 pixels (aspect ratio 3:4);
  • JPEG and PNG formats are preferred;
  • Maximum file size: 5 MB;

To ensure a visually appealing display on a variety of screen sizes, we adopt a 3:4 aspect ratio. Please avoid placing any text, logos, or visually important elements near the edges. (stick to the β€œsafe-zone” in the outlined example image below)
Guidelines for the welcome screen mobile app image:

  • Recommended size: 940 x 360 pixels
  • JPEG and PNG formats are preferred
  • Maximum file size: 5MB


  • The max file size for images set in the sessions (content slots) is 5MB. PNG / JPG / JPEG / SVG / GIF format is recommended.
  • The image you add will be shown as part of the description provided for the content slot.


Event info pages

πŸ‘‰ Adding embedded videos on the schedule description and event info pages is not allowed; instead, you can add hyperlinks.


  • Logo: Recommended ratio 1:1 (200x200px), PNG / JPG / JPEG / SVG / GIF formats are allowed.
  • Cover photo: Recommended ratio 3:1 (1200x400px), PNG / JPG / JPEG / SVG / GIF formats are allowed.
  • Company description:  Max file size 5MB and PNG / JPG / JPEG / SVG / GIF format is recommended.

Virtual booths

  • Carousel section
    • Images can be uploaded and added as a link. The recommended file size is 16:9 in PNG, JPG, JPEG, or gif format. It's recommended images of 737x600px; however, note that the image in the iframe will adapt to your screen size and port.
    • If you add an image with an URL, it could be bigger in size as it will adapt accordingly, thanks to the iframe. Here you can watch how pictures and other materials look in the carousel section.
  • Sidebar section

🚨 Note! If you come across issues regarding image sizing or other materials, go to find solutions for virtual booth material errors.


Last updated on May 2024 

Written by Rajinda Wijetunge.

Screenshot 2023-11-15 at 9.57.42 AM

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