DevTools z-index

Adds "z-index" panel to DevTools. It shows ranking of elements sorted by z-index value. This would help you to reduce z-index numbers. Stop `z-index: 999999` !!

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DevTools z-index is available to install from Firefox Browser Add-ons and for download from this page. It has 228 active users The latest version is 1.2.0, and it was published a month ago.

All available versions

You can find the current and older versions of DevTools z-index here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install DevTools z-index from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install DevTools z-index from a ZIP file

1. Download the DevTools z-index ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the DevTools z-index ZIP file from step 1. DevTools z-index is now installed on your browser.