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Backgrounds: images, GIFs and videos

Upload up to 10 backgrounds, mix images and videos and let them rotate behind your page.

Open Background. Under Background files, drop a file or click the field to pick one. It saves right away and shows up in the list.

Which files work

Background → Image or video

Background uploads
TypeFormatsLimit
ImageAny imageUp to 100 MB, stored at 15 MB at most
GIFGIFUp to 100 MB, turned into a video
VideoMP4, WebM, MOV (iPhone)Up to 100 MB, stored at 15 MB at most

Files over 15 MB are compressed for you while they upload. A video stays a video with its sound, and pictures keep their look; a very large file can take a minute.

You can have up to 10 backgrounds. Use a picture in landscape format (for example 1920 x 1080) so it fills big screens; on phones the middle part is shown.

GIFs and iPhone videos

We turn GIFs and iPhone videos (MOV, HEVC) into a normal MP4 video when you upload them. It looks the same, loads much faster and works in every browser. This takes a few seconds for big files, so wait until the upload is done.

Several backgrounds

  • With more than one background, they change one after the other.
  • Duration per background sets how long each one stays, from 2 to 60 seconds, for videos too.
  • Shuffle plays them in random order. Loop starts over after the last one.
  • Change the order with the arrows or by dragging, depending on your setting in Settings, Preferences, Reordering.

Sound of a background video

Browsers only allow sound after a visitor has clicked on the page. If you have no songs in your audio playlist, the sound of your background video turns on after the visitor clicks through the enter screen. If you have songs, the video stays muted and your music plays instead.

Keep it readable. A busy or bright background makes text hard to read. Use Glass opacity and Glass blur in Look, Card shape, Darken and Blur in Background, Filter, or a darker picture.

Remove a background

Click Remove next to the background in the list. It is gone from your page right away. Removing all of them brings back the flowing background, color, gradient or scene from Background, Color and gradient.

Tips for background videos

  • Short loops of 5 to 15 seconds look smooth and stay small.
  • 1920 x 1080 is plenty; bigger videos only load slower.
  • Cut long videos before uploading to stay under 15 MB.
  • Calm motion behind your card is easier on the eyes than fast cuts.
Was this helpful?Updated Oct 22, 2026