# devtools-outliner

> DevTools Inspector sidebar panel to outline elements

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

## Overview

- **ID:** `devtools-outliner`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Patrick Brosset
- **Category:** web-development
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.1resigned1
- **Last updated:** 2024-04-26
- **First published:** 2018-11-07
- **Size:** 13 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/devtools-outliner/)
- **Website:** [https://github.com/captainbrosset/devtools-outliner/issues](https://github.com/captainbrosset/devtools-outliner/issues)

## Description

devtools-outliner is a Firefox add-on that provides a DevTools Inspector sidebar panel. With devtools-outliner, users can easily outline elements in the DOM, making it convenient for developers to visually inspect and navigate through the structure of a web page.

## Rankings

- #79,610 — Overall

## Permissions and access

### Permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate 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).

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