XRAY: look beneath the skin
XRAY is a bookmarklet for Internet Explorer 6+, and Webkit and Mozilla based browsers (including Safari, Firefox, Camino or Mozilla). Use it to see the box model for any element on any web page.
See what's new in this version. Upgrading to future versions should not require changing your bookmark!
Go here for more detailed instructions or more about XRAY.
If you just want to try it out, simply click the XRAY button above.
Beta versions
For the adventurous, as we develop XRAY, the latest beta version is always available here. No guarantees that this will work at any given point in time, so keep that in mind. But the worst it will do is throw javascript error, make your page display funny (in your browser just for that load) or maybe crash the browser in extreme circumstances - so make sure there are no forms with content unsaved if using the beta version.