# Quick Source Code Viewer

> Fast and simple tool for viewing page source code directly in your browser.

Canonical page: [https://chrome-stats.com/d/quick-source-code-viewer](https://chrome-stats.com/d/quick-source-code-viewer)

## Overview

- **ID:** `quick-source-code-viewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Hannah
- **Daily users:** 1
- **Weekly downloads:** 1
- **Version:** 1.4.3
- **Last updated:** 2026-02-06
- **First published:** 2026-02-05
- **Size:** 173 KB
- **Data as of:** 2026-03-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/quick-source-code-viewer/)

## Description

A lightweight WebExtension designed for quickly inspecting website source code, including HTML, JavaScript, and CSS files, without leaving your current tab.

Main features:

Clean source code display with syntax highlighting and formatted structure for better readability

Toolbar icon displays detected JavaScript resource count

Shows line numbers, file size information, and cache-related headers

Easily copy source code to clipboard

Highlight selected URLs within the source file list through the options settings

## Permissions and access

### Permissions

- `<all_urls>`
- `clipboardWrite`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 is not longer available in the store

> 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/quick-source-code-viewer)