# RegEx URL Replacer

> Apply a regex pattern to the URLs of all your tabs in the active window.

Canonical page: [https://chrome-stats.com/d/regex-url-replacer](https://chrome-stats.com/d/regex-url-replacer)

## Overview

- **ID:** `regex-url-replacer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lenny
- **Category:** tabs
- **Daily users:** 4
- **Rating:** 2.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2024-02-19
- **First published:** 2024-02-18
- **Size:** 10 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/regex-url-replacer/)

## Description

RegEx URL Replacer can modify all of your tabs (in the active window) using a regular expression. Any input field in the popup menu left unfilled will fallback to a placeholder expression.

## Rankings

- #48,365 — Overall
- #75 — replace
- #100 — replay
- #174 — reply

## Permissions and access

### Permissions

- `tabs`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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/regex-url-replacer)