Widely availableA standard tool for modern media presentation, especially with cover-style thumbnails and responsive cards.

Overview

object-fit controls how replaced content such as images or video fills its box. It is essential when the container size is fixed but the media source dimensions vary.

Browser support

Feature Desktop Mobile
Chrome
Edge
Firefox
Safari
Chrome Android
Safari iOS
32
79
36
10
32
10
contain
32
79
36
10
32
10
cover
32
79
36
10
32
10
fill
32
79
36
10
32
10
none
32
79
36
10
32
10
scale-down
32
79
36
10
32
10
1+Supported (version) Not supported Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)
Notes 3 item(s)
Limitation
  • This browser only partially implements this feature
Removed
  • This feature was removed in a later browser version (79)
Implementation note
  • Only supported for `<img>` elements.

Syntax

CSS
/* Crop while maintaining aspect ratio */
.thumbnail {
  width: 200px;
  height: 200px;
  object-fit: cover;
  object-position: center;
}

/* Fit within the container while maintaining the aspect ratio */
.gallery-image {
  width: 100%;
  height: 300px;
  object-fit: contain;
}

Live demo

object-fit: cover

object-fit Object-fit: cover demo.

PreviewFullscreen

object-fit: contain

object-fit Object-fit: contain demo.

PreviewFullscreen

object-fit: fill

object-fit Object-fit: fill demo.

PreviewFullscreen

Use cases

  • Thumbnail grids

    Use object-fit: cover to keep cards visually balanced even when uploaded images have mixed dimensions.

  • Video shells

    Keep media framed properly inside consistent components without stretching or distortion.

Cautions

  • cover may crop important content, so check focal points and essential text inside images.
  • object-fit only affects replaced elements like img or video, not regular block backgrounds.

Accessibility

  • If cropping is possible, ensure critical information is not placed near the edges of the asset.

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