# Xdebug-ext

> Adds a simple button to inject a Xdebug cookie. Compatible with Firefox 57+ (Quantum). It is a port of "The easiest Xdebug" Addon by Nikita Nikitin, which is not compatible with WebExtensions.

Canonical page: [https://chrome-stats.com/d/xdebug-ext-quantum](https://chrome-stats.com/d/xdebug-ext-quantum)

## Overview

- **ID:** `xdebug-ext-quantum`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Loïc HALL
- **Category:** web-development,other
- **Daily users:** 1,624
- **Weekly downloads:** 10
- **Rating:** 4.79 / 5 (24 ratings)
- **Version:** 1.3
- **Last updated:** 2021-01-22
- **First published:** 2017-11-18
- **Size:** 92 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/xdebug-ext-quantum/)
- **Website:** [https://github.com/lhall-amphibee/xdebug-ext/](https://github.com/lhall-amphibee/xdebug-ext/)

## Description

Xdebug-ext is a minimalist Chrome extension designed to simplify PHP debugging by injecting an Xdebug cookie with just a button click. Compatible with Firefox 57+ (Quantum), it allows you to set the debugging cookie on a per-tab basis, giving you control over which tabs to debug. Users can configure their preferred IDE key, with PHPSTORM as the default. This extension is a modern port of 'The easiest Xdebug' addon by Nikita Nikitin, updated to support WebExtensions architecture.

Ideal for PHP developers seeking quick and efficient debugging tools, Xdebug-ext enhances your workflow without adding complexity. Learn more about advanced PHP debugging techniques at the provided link and enjoy seamless debugging with Xdebug-ext.

## Rankings

- #2,499 — Overall
- #282 — Web Development
- #6 — debug
- #101 — course
- #118 — inject
- #245 — configure

## Permissions and access

### Permissions

- `<all_urls>`
- `tabs`
- `activeTab`
- `storage`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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).

## Review summary

Users find Xdebug-ext easy to install and use, appreciating its seamless integration with popular IDEs such as NetBeans, PhpStorm, and Eclipse. It generally works reliably and provides a visible indicator of activation. However, multiple users note issues when debugging API responses with the Firefox API Response Explorer and problems where the XDEBUG cookie is not set, hindering functionality. Overall, it is a straightforward and useful add-on with some compatibility limitations.

### Pros

- Easy to use and install
- Works well with popular IDEs like NetBeans, PhpStorm, and Eclipse
- Functions reliably as intended
- Clear visual indication (ladybird icon) confirms Xdebug is enabled

### Cons

- Does not work with Firefox API Response Explorer
- XDEBUG cookie is not set in some cases causing malfunction

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