z-context
A Chrome DevTools Extension that displays stacking contexts and z-index values in the elements panel
As of May 2026, z-context has 6,000 users and a 3.47/5 rating from 43 reviews in the Developer Tools category.
Usersno change0%
6.0K
6,000
Ratingno change0%
3.47
43 reviews
Reviewsno change0%
43
Version
3.0.0
Manifest V3
History
1 snapshotsTracking since Apr 29, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 29, 2026 | 6.0K | 3.47 | 43 | 3.0.0 |
| Now | 6.0K | 3.47 | 43 | 3.0.0 |
Permissions & access
- Permissions
- None declared
- Host access
- None declared
Screenshots
About
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 -------- v3.0.0 - Update to manifest v3 and update stacking context rules https://github.com/gwwar/z-context/pull/29 v2.1.0 - Includes http protocol to facilitate development use cases https://github.com/gwwar/z-context/pull/23 v2.0.0 - Adds support for inspecting iframes https://github.com/gwwar/z-context/pull/21 https://github.com/gwwar/z-context/pull/22 v1.1.0 - Adds z-index stacking context rules as of 2021. Adds fixes for position sticky and shadow dom, props to roperzh and edenilan! See pulls 10, 17 and 18 at https://github.com/gwwar/z-context. v1.0.4 - fixes will-change case. a stacking context is created for opacity/transform but not other values https://github.com/gwwar/z-context/pull/9 v1.0.3 - fixes display reason for flex-items https://github.com/gwwar/z-context/pull/4 v1.0.2 - adds new z-index rules, fixes a bug when inspecting a shadow dom elements. https://github.com/gwwar/z-context/pull/3 v1.0.1 - fix reason message for non-static positions, props to giuseppeg. https://github.com/gwwar/z-context/pull/1
Technical
- Version
- 3.0.0
- Manifest
- V3
- Size
- 30.48KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- Yes
Metadata
- ID
- jigamimbjojkdgnlldajknogfgncplbh
- Developer ID
- u065661408f28d60e0e959ebb1c43fb7d
- Developer Email
- [email protected]
- Created
- Mar 6, 2016
- Last Updated (Store)
- Nov 28, 2024
- Last Scraped
- May 26, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified May 26, 2026.