# Data Format Beautifier

> Automatically beautifies JSON, JSONL, YAML, and XML files into a human readable format

Canonical page: [https://chrome-stats.com/d/data-format-beautifier](https://chrome-stats.com/d/data-format-beautifier)

## Overview

- **ID:** `data-format-beautifier`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** mjochum1
- **Category:** appearance
- **Daily users:** 3
- **Version:** 1.1
- **Last updated:** 2025-10-12
- **First published:** 2025-10-09
- **Size:** 24 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/data-format-beautifier/)

## Description

A Firefox extension that beautifies structured data files including<code>.json</code>, <code>.jsonl</code>, <code>.yaml</code>, and <code>.xml</code>. 

Features include:
<ul><li>Syntax highlighting</li><li>Line numbering</li><li>Copy-to-clipboard</li><li>Toggle to interpret <code>\\n</code>, <code>\\t</code>, etc.</li></ul>
Usage
<ol><li>Open a <code>.json</code>, <code>.yaml</code>, or <code>.jsonl</code> file in Firefox (via <code>file://</code>)</li><li>The extension automatically beautifies and highlights it</li><li>Use the "Copy" button or "Show Raw \n" toggle</li><li>The built in json reader will override this addon unless you go into about:config and disable devtools.jsonview.enabled</li></ol>
<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/344cb8f4d45d8a9895b217fc18951df27f659077ca370f1f215af637c70fc2e6/https%3A//github.com/mjochum1/data-format-beautifier-extension" rel="nofollow">https://github.com/mjochum1/data-format-beautifier-extension</a>

## Rankings

- #56,283 — Overall
- #50 — format
- #128 — data
- #244 — x data

## Permissions and access

### Permissions

- `scripting`
- `activeTab`

### Host permissions

- `file:///*/*.json`
- `file:///*/*.jsonl`
- `file:///*/*.yaml`
- `file:///*/*.yml`
- `file:///*/*.xml`
- `<all_urls>`

### Content script matches

- ``

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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

- [Code Formatter](https://chrome-stats.com/d/web-code-formatter) — 26 users, 5.00 / 5
- [Universal File Viewer](https://chrome-stats.com/d/universal-file-viewer) — 1 users
- [JSON Beautifier code](https://chrome-stats.com/d/json-beautifier-code)
- [JSON Beautifier](https://chrome-stats.com/d/json-beautifier-js) — 1 users
- [JSON Beautifier & Editor](https://chrome-stats.com/d/json-beautifier-editor) — 646 users, 3.71 / 5
- [JSON Formatter](https://chrome-stats.com/d/json_formatter) — 3,500 users, 5.00 / 5
- [JSON Viewer Pro By PatilWeb](https://chrome-stats.com/d/json-viewer-pro-by-patilweb) — 12 users, 2.00 / 5
- [Json Bonito](https://chrome-stats.com/d/json-bonito) — 1 users
- [Formatter Toolbox](https://chrome-stats.com/d/formatter-toolbox) — 6 users, 5.00 / 5
- [JSON Viewer & Beautifier, Formatter - Lumina JSON](https://chrome-stats.com/d/luminajson-json-formatter) — 39 users, 5.00 / 5
- [syntax highlighting](https://chrome-stats.com/d/syntax-highlighting)
- [resolved617's JSON Beautifier](https://chrome-stats.com/d/resolved617-s-json-beautifier) — 1 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/data-format-beautifier)