# Fire Source Viewer

> Your rapid source code viewer

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

## Overview

- **ID:** `fire-source-viewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Francesco De Stefano
- **Category:** web-development,other
- **Daily users:** 226
- **Weekly downloads:** 5
- **Rating:** 4.89 / 5 (9 ratings)
- **Version:** 1.4.3
- **Last updated:** 2019-04-08
- **First published:** 2019-04-04
- **Size:** 175 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/fire-source-viewer/)
- **Website:** [https://mediamaster.eu/contatti](https://mediamaster.eu/contatti)

## Description

Fire Source Viewer is a powerful Chrome extension designed for developers who want to quickly view source code like HTML, JavaScript, and CSS with enhanced readability. It features a syntax highlighter and beautifier to make your source code easy to read and understand.

The toolbar icon displays JavaScript node counts, while detailed information such as line numbers, file size, and cache headers are readily available. Users can copy source code directly to the clipboard for easy sharing or editing. Highlight selected URLs in your source file list through customizable options. Note: This extension functions only on sites that permit content scripts.

## Rankings

- #7,741 — Overall
- #13 — source
- #15 — source code
- #20 — resource
- #62 — viewer
- #160 — javascript

## Permissions and access

### Permissions

- `<all_urls>`
- `clipboardWrite`

### Content script matches

- `<all_urls>`

## 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).

## Similar extensions and apps

- [Quick Source Code Viewer](https://chrome-stats.com/d/quick-source-code-viewer) — 1 users
- [Source Code & Font Viewer — HTML/CSS/JS/JSON/XML](https://chrome-stats.com/d/source-code-viewer) — 14 users, 4.50 / 5
- [Extension Source Viewer & Downloader](https://chrome-stats.com/d/extension-downloader-premium) — 15 users
- [CRX Source Viewer](https://chrome-stats.com/d/crx-source-viewer) — 3 users
- [Code Formatter](https://chrome-stats.com/d/web-code-formatter) — 25 users, 5.00 / 5
- [Advanced HTML Source Viewer](https://chrome-stats.com/d/advanced-html-source-viewer) — 1 users
- [Allow Copy& Right Click](https://chrome-stats.com/d/right-click) — 412 users, 3.00 / 5
- [FireSource](https://chrome-stats.com/d/firesource) — 2 users
- [Page Source HTML Viewer (works on Android)](https://chrome-stats.com/d/page-source-viewer-android) — 479 users, 4.00 / 5
- [CSS Viewer](https://chrome-stats.com/d/css_viewer) — 18 users, 5.00 / 5
- [CSS Injector](https://chrome-stats.com/d/css-injector) — 29 users, 1.50 / 5
- [Code Editor](https://chrome-stats.com/d/code-editor) — 606 users, 4.00 / 5

---

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