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How to Make an HTML Screenshot with a Transparent Background in Playwright

Set omitBackground: true in Playwright’s page or locator screenshot options. Choose PNG, and check for CSS backgrounds if the result still looks white.

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Set omitBackground: true in Playwright’s screenshot options and save the result as PNG. For a whole page, use page.screenshot(); for one element, use its locator’s screenshot() method. The option hides the browser’s default white background, but it does not remove backgrounds explicitly set by the page’s CSS.

Capture a page with a transparent background

After navigating to the page you want to capture, pass omitBackground: true to page.screenshot(). PNG is a straightforward format when you need broadly supported transparency.

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await page.screenshot({ path: 'page.png', omitBackground: true });

This captures the current viewport. To include the full scrollable page, add fullPage: true:

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await page.screenshot({
  path: 'page.png',
  fullPage: true,
  omitBackground: true,
});

See the Playwright Page API documentation for the page screenshot options and supported formats.

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Capture one element instead

Use a locator screenshot when you only need a particular element. The locator must resolve to the element you intend to capture.

await page.locator('#target').screenshot({
  path: 'element.png',
  omitBackground: true,
});

Replace #target with a selector for the element on your page. Locator screenshots support the transparency option too; see the Playwright Locator API documentation.

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Use transparency in a Playwright Test screenshot assertion

If you are using Playwright Test’s visual assertions rather than saving a screenshot directly, pass the option to toHaveScreenshot():

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await expect(page).toHaveScreenshot({ omitBackground: true });

This is a Playwright Test runner feature. Its screenshot assertion options are documented in the PageAssertions API. For comparison workflows and factors that can affect rendered screenshots, see Playwright’s visual comparisons guide.

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What remains visible, and which format to choose

omitBackground hides the browser’s default white background; it is not a command to erase everything behind the page content. A background color or image explicitly applied to body, a container, or the captured element may still appear. If that authored background should be transparent, remove or override it in the page’s CSS before capturing.

  • PNG: the straightforward choice for a transparent screenshot.
  • WebP: Playwright supports this screenshot type; check that the software receiving the image accepts WebP.
  • JPEG: does not support omitBackground, so do not use it when you need transparency.

Troubleshoot a screenshot that still looks white

  • Check the output format. Use PNG, or confirm WebP is accepted downstream. JPEG cannot use omitBackground.
  • Check page styling. Inspect the captured page, element, and its containers for CSS background colors or images. The option hides the default white background, not intentionally drawn backgrounds.
  • Check how the image is being viewed. Some viewers display transparent pixels against white. Inspect the PNG’s alpha channel or place it over a contrasting background in an image viewer that shows transparency.
  • Keep visual-test environments consistent. Operating system, browser version, settings, hardware, power source, and headless mode can affect rendering. Keep the environment consistent when creating or comparing screenshot baselines.
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ScreenshotNeo can return a screenshot from one GET request. For transparent output, request PNG and set the API’s transparent-background option as documented in the ScreenshotNeo API documentation.

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  --data-urlencode url=https://stripe.com 
  -o shot.png

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