DevTools z-index
Developer Tools
Print all elements with z-index sorted by that number.
Users
7K
Rating
3.3
Reviews
12
7D Growth
0|0%
Stable signalUnknownLow-risk permissions
z-context
A Chrome DevTools Extension that displays stacking contexts and z-index values in the elements panel
Users6KCurrent public install base
Rating3.5Store average score
Reviews43Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
2 assetsz-context Media preview
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Start
3.47
Latest
3.47
7-day rating change
0.00
2026年7月20日2026年7月26日
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Version3.0.0
ManifestV3
Size30.48KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
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Why use it? Browsers support a hierarchy of stacking contexts, rather than a single global one. This means that z-index values are often used incorrectly, and arbitrarily high values get set.
By Using Z-Context, you'll know:
- If the current element creates a stacking context, and why
- What its parent stacking context is
- The z-index value
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Reviews
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Store average score3.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.1Average computed only from synced review bodies below
Reviews with text33Synced review bodies
Total ratings / reviews43Chrome Web Store public rating/review count
Store average score: 3.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Awesome extension, has helped me a lot when trying to level stacking contexts in order to display custom overlays. Light and straight to the point, with good selection of information that it makes available at a glance. Like Aviral said really surprising that its not part of CDT
Works well for what it does. Surprising that this isn't built into CDT already.
Really handy! But why on earth does it need permissions to *change* data on websites I visit? Surely *reading* that data is enough for the current functionality?