Download Modernizr 2.5.3

Use the Development version to develop with and learn from. Then, when you’re ready for production, use the build tool below to pick only the tests you need.

CSS3
  • (:before/:after)
HTML5
  • Note: does not add classes
  • Note: does not add classes
Misc.
Extra
Extensibility
Community add-ons

For more info, docs and gotchas on these, browse their source on github.

Generate! (requires JavaScript) Download custom build