Description
Localhost Banner Alert is your companion for local development! This Chrome extension adds a visible banner to your browser to remind you when you're browsing localhost sites.
The banner is displayed if the URL of the current tab contains one of these elements:
* localhost
* .local
* 127.0.0.
* .test
You can manage several parameters. Simply click on the extension button and then on "Go to settings":
* Banner enabled: Yes / No
* Banner Text : the text on the banner *(default: Localhost)*
* Banner Position : Top Left / Top Right *(default)* / Bottom Left / Bottom Right
* Banner Theme : Orange *(default)* / Red / Yellow / Blue / Purple / Green
* Exclude URLs : fill in the URLs that should not have the banner. One URL per line without http(s).
The extension does not collect any user information or other information. Only extension-related parameters are stored.
Source code is available here: https://github.com/shevabam/extension-localhost-banner-alert
Reviews
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Permissions (2)
Permissions
activeTabℹ Can access the current tab when you click the extension storageℹ Can store data locally in your browser
Details
| Version | 1.0.1 |
| Updated | Jun 26, 2025 |
| Size | 59.51KiB |
| First Seen | Mar 31, 2026 |
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