Web features explorer

Summarizer

Limited availability

This feature has received a negative standards position from at least one browser vendor — It's very unlikely to ever become Baseline in this current form.

The Summarizer API uses an on-device language model to summarize text.

Browser support

  • Chrome 138 Released on 2025-06-24
  • Chrome Android Not supported
  • Edge 138 Released on 2025-06-26
  • Firefox Not supported Position: negative
  • Firefox for Android Not supported Position: negative
  • Safari Not supported Position
  • Safari on iOS Not supported Position

MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist