Checkers

Browser Feature Detector

Detect which web APIs and CSS features your browser supports. Tests 36 features across Core, CSS, APIs, and Storage categories.

About This Tool

The Browser Feature Detector checks whether your browser supports modern web features and APIs. Tests 36 features across four categories with clear pass/fail indicators.

How to Use

  1. Results appear automatically
  2. Green checkmarks indicate supported features
  3. Red marks indicate unsupported features
  4. Copy the full report