# Environment Highlighter

> Highlight specific URLs by showing a floating banner with custom text and color. Ideal for working across environments like production, staging, and test.

Canonical page: [https://chrome-stats.com/d/environment-highlighter](https://chrome-stats.com/d/environment-highlighter)

## Overview

- **ID:** `environment-highlighter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Emiel Hemminga
- **Category:** web-development,privacy-security
- **Daily users:** 2
- **Version:** 1.0.0
- **Last updated:** 2025-05-12
- **First published:** 2025-05-09
- **Size:** 17 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/environment-highlighter/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/environment-highlighter/privacy/](https://addons.mozilla.org/firefox/addon/environment-highlighter/privacy/)

## Description

Environment Highlighter helps you stay oriented in your browser by displaying a customizable banner at the top of websites that match user-defined URLs.

You can define your own:
    •   Matching URLs (full or partial)
    •   Banner text
    •   Banner color

Perfect for developers, testers, system administrators, or anyone switching between multiple environments like production, staging, or test. The banner helps visually separate sites that may look identical but behave differently.

All settings are saved locally in your browser and never transmitted.
No tracking, no external servers, 100% local.

Questions & Suggestions:
hello@crackingcookies.com

## Rankings

- #67,614 — Overall
- #5 — environment
- #156 — highlighter

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Environment Indicator](https://chrome-stats.com/d/indicateur-d-environnement) — 2 users
- [Environment Marker](https://chrome-stats.com/d/environment-marker-extension) — 249 users, 5.00 / 5
- [Development Tenant Banner](https://chrome-stats.com/d/development-tenant-banner) — 1 users
- [Env Border](https://chrome-stats.com/d/env-border) — 2 users
- [Environment Favicon Switcher](https://chrome-stats.com/d/environment-favicon-switcher) — 1 users
- [Enviro-Shade](https://chrome-stats.com/d/enviro-shade) — 2 users, 5.00 / 5
- [Website color coding](https://chrome-stats.com/d/website-color-coding)
- [Highlighter](https://chrome-stats.com/d/highlighter-extension) — 451 users, 4.25 / 5
- [URLColors](https://chrome-stats.com/d/url-colors) — 102 users, 4.00 / 5
- [Smart Environment Ribbon](https://chrome-stats.com/d/smart-environment-ribbon) — 1 users
- [Custom Host Banner](https://chrome-stats.com/d/custom-host-banner) — 7 users
- [Cow Finder](https://chrome-stats.com/d/cow-finder)

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Source: [Chrome-Stats](https://chrome-stats.com/d/environment-highlighter)