chrome.wallpaper

Description

Use the chrome.wallpaper API to change the ChromeOS wallpaper.

Permissions

wallpaper

You must declare the "wallpaper" permission in the app's manifest to use the wallpaper API. For example:

{
"name":"My extension",
...
"permissions":[
"wallpaper"
],
...
}

Availability

Chrome 43+ ChromeOS only

Examples

For example, to set the wallpaper as the image at https://example.com/a_file.png, you can call chrome.wallpaper.setWallpaper this way:

chrome.wallpaper.setWallpaper(
{
'url':'https://example.com/a_file.jpg',
'layout':'CENTER_CROPPED',
'filename':'test_wallpaper'
},
function(){}
);

Types

WallpaperLayout

Chrome 44+

The supported wallpaper layouts.

Enum

"STRETCH"

"CENTER"

"CENTER_CROPPED"

Methods

setWallpaper()

chrome.wallpaper.setWallpaper(
details: object,
)
: Promise<ArrayBuffer | undefined>

Sets wallpaper to the image at url or wallpaperData with the specified layout

Parameters

  • details

    object

    • data

      ArrayBuffer optional

      The jpeg or png encoded wallpaper image as an ArrayBuffer.

    • filename

      string

      The file name of the saved wallpaper.

    • The supported wallpaper layouts.

    • thumbnail

      boolean optional

      True if a 128x60 thumbnail should be generated. Layout and ratio are not supported yet.

    • url

      string optional

      The URL of the wallpaper to be set (can be relative).

Returns

  • Promise<ArrayBuffer | undefined>

    Chrome 96+

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Last updated 2025年08月11日 UTC.