Web platform features explorer

Custom highlights

Custom highlights style arbitrary text ranges, without adding extra elements to the DOM.

Status

Baseline Newly Available (since 2026-03-24)

This feature is expected to reach Baseline Widely Available status on: 2028-09-24

MDN documentation

Specifications

Browser support

  • Chrome 105 Released on 2022-09-02
  • Chrome Android 105 Released on 2022-09-02
  • Edge 105 Released on 2022-09-01
  • Firefox 149 Released on 2026-03-24
  • Firefox for Android 149 Released on 2026-03-24
  • Safari 17.2 Released on 2023-12-11
  • Safari on iOS 17.2 Released on 2023-12-11

Surveys

Usage (according to Chrome Platform Status)

~0.027% of page loads. More data at chromestatus.com.

Interop

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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