# UrlRegexBar

> Displays an identification color bar at the top of the page based on URL patterns (supports regular expressions).

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

## Overview

- **ID:** `urlregexbar`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** whaletech
- **Category:** web-development,appearance,alerts-updates
- **Daily users:** 1
- **Version:** 1.0.5
- **Last updated:** 2026-05-13
- **First published:** 2026-05-08
- **Size:** 27 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/urlregexbar/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/urlregexbar/privacy/](https://addons.mozilla.org/firefox/addon/urlregexbar/privacy/)

## Description

This extension allows you to set specific colors for different URL patterns, enabling you to intuitively identify which site you are currently viewing.

-- Key Features

URL Pattern Matching: Supports both standard strings and regular expressions (Regex).

Visual Indicators: Displays a color bar and title at the very top of the page.

Multi-Rule Support: Configure multiple rules, such as blue for "Development" and red for "Production."

Data Management: Easily import and export your settings.

-- Use Cases

Prevent Human Error: Reduce the risk of accidentally performing tasks in a production environment when you intended to be in development.

Team Collaboration: Export your configuration files to share consistent settings with your entire team.

## Rankings

- #106,643 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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