[L] Localhost marker
Prepends <title> with [L] for sites running on localhost.
As of June 2026, [L] Localhost marker has 15 users in the Developer Tools category.
Usersup 7.1 percent+7.1%
15
15
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
0.4
Manifest V3
History
5 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 14 | — | — | 0.4 |
| Apr 16, 2026 | 15 | — | — | 0.4 |
| Apr 26, 2026 | 16 | — | — | 0.4 |
| May 7, 2026 | 14 | — | — | 0.4 |
| May 22, 2026 | 13 | — | — | 0.4 |
| Now | 15 | — | — | 0.4 |
Permissions & access
- Permissions
- None declared
- Host access
- None declared
Screenshots
![[L] Localhost marker screenshot 1](https://lh3.googleusercontent.com/Bj5QcJbkVTVm7hCdE4nbNN8vEfUt-2N-w3Gnwjkw7_Cu01raCbuKQJuhjh2vu0O-TRsleTay8-sJv-cE0WGqOM0K-A)
About
Prepends <title> with [L] for sites running on localhost. Just a quick glance at the tab name to see whether it's production or localhost. No tab-switching, no worries.
Technical
- Version
- 0.4
- Manifest
- V3
- Size
- 8.91KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- pinafdbaiodigadlamiggfdngjjndplh
- Developer ID
- udef4368891bb27929cfbd1b090318004
- Developer Email
- [email protected]
- Created
- Oct 25, 2020
- Last Updated (Store)
- Jan 10, 2026
- Last Scraped
- Jun 9, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified Jun 9, 2026.