# JSON Formatter

> Formats JSON automatically! Open Source, Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more.

Canonical page: [https://chrome-stats.com/d/json\_formatter](https://chrome-stats.com/d/json_formatter)

## Overview

- **ID:** `json_formatter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Arnav Kumar
- **Category:** web-development
- **Daily users:** 3,379
- **Weekly downloads:** 88
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 2.1.18
- **Last updated:** 2026-03-11
- **First published:** 2023-03-27
- **Size:** 112 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/json_formatter/)
- **Website:** [https://json-formatter.js.org/](https://json-formatter.js.org/)

## Description

JSON Formatter for Chrome automatically formats JSON with syntax highlighting and 60+ themes. It supports multiple viewing modes (Parsed, Formatted Raw, and Raw) and automatically linkifies URLs for easy navigation.

This open-source extension works offline, respects privacy with no tracking, and offers customizable extension settings and keyboard shortcuts. It adapts to your browser theme and supports local files and Incognito mode.

## Rankings

- #1,532 — Overall
- #165 — Web Development
- #3 — json
- #5 — format
- #65 — form
- #92 — math

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`

### Host permissions

- `*://*/*`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## 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

- [JSON Formatter](https://chrome-stats.com/d/json-formatter-json) — 1 users
- [JSON Formatter + Viewer](https://chrome-stats.com/d/json-formatter-viewer) — 30 users
- [JSON Formatter Extension](https://chrome-stats.com/d/json-formatter-extension) — 9 users
- [JSON Viewer Pro By PatilWeb](https://chrome-stats.com/d/json-viewer-pro-by-patilweb) — 11 users, 2.00 / 5
- [JSON Formatter Pro](https://chrome-stats.com/d/json-formatter-pro) — 1 users
- [Json Bonito](https://chrome-stats.com/d/json-bonito) — 1 users
- [Code Formatter](https://chrome-stats.com/d/web-code-formatter) — 24 users, 5.00 / 5
- [JsonFormatter](https://chrome-stats.com/d/jsonformatter) — 4 users
- [JSON Formatter](https://chrome-stats.com/d/json-formatter-iue) — 1 users
- [JSON Beautifier & Editor](https://chrome-stats.com/d/json-beautifier-editor) — 628 users, 3.71 / 5
- [Free JSON Formatter](https://chrome-stats.com/d/free-json-formatter)
- [JSON Formatter](https://chrome-stats.com/d/json-formatter-sidebar) — 4 users

---

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