# JSON Viewer & Beautifier, Formatter - Lumina JSON

> JSON viewer & formatter to view JSON easily. JSON beautifier, JSON editor & JSON prettier for JSON (JavaScript Object Notation).

Canonical page: [https://chrome-stats.com/d/luminajson-json-formatter](https://chrome-stats.com/d/luminajson-json-formatter)

## Overview

- **ID:** `luminajson-json-formatter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Furneez.com
- **Category:** web-development,privacy-security,appearance
- **Daily users:** 39
- **Weekly downloads:** 4
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.4.0
- **Last updated:** 2026-04-19
- **First published:** 2026-02-12
- **Size:** 279 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/luminajson-json-formatter/)
- **Website:** [https://forms.gle/g97zLb26zpkw1JK59](https://forms.gle/g97zLb26zpkw1JK59)

## Description

The Ultimate JSON Viewer, Formatter & Editor

Powerful JSON viewer and JSON formatter to view JSON instantly. Beautify, edit, and explore JSON (JavaScript Object Notation) with advanced developer tools.

Transform raw JSON into a clean, structured, and interactive format using this fast, reliable JSON beautifier and JSON prettier built for developers.

KEY FEATURES
<ul><li><strong>JSON Viewer &amp; Formatter</strong>
Easily view JSON data and format it with perfect indentation and syntax highlighting.</li><li><strong>JSON Beautifier &amp; Prettier</strong>
Automatically clean and structure your data with a powerful JSON beautifier and JSON prettier.</li><li><strong>Interactive JSON Editor</strong>
Edit and explore JSON with a built-in JSON editor featuring collapsible trees and nodes.</li><li><strong>Raw &amp; Parsed View</strong>
Switch between raw JSON and formatted views for better debugging and analysis.</li><li><strong>Clickable URLs</strong>
Open links directly from JSON data in a new tab.</li><li><strong>Syntax Highlighting</strong>
Improves readability of complex JSON object notation structures.</li><li><strong>Dark &amp; Light Mode</strong>
Choose between sleek dark mode or clean light mode.</li><li><strong>Advanced Developer Tools</strong></li><li><em>Real-time Search</em>
    Quickly find keys and values in large JSON files.</li><li><em>Base64 Decoder</em>
    Decode Base64 strings instantly.</li><li><em>JWT Decoder</em>
    Inspect tokens without leaving the page.</li><li><em>Timestamp Converter</em>
    Convert Unix timestamps to readable dates.</li><li><em>JSON Diff Tool</em>
    Compare JSON objects side-by-side.</li><li><em>TypeScript Generator</em>
    Convert JSON into TypeScript interfaces automatically.</li><li><strong>Privacy First</strong>
All JSON processing happens locally in your browser—no data is sent externally.</li><li><strong>High Performance</strong>
Handles large JSON files smoothly without lag.</li></ul>

WHY CHOOSE THIS JSON VIEWER &amp; FORMATTER?

This all-in-one JSON viewer, JSON formatter, and JSON editor is built for speed, usability, and performance. Whether you're debugging APIs, analyzing responses, or working with JSON object notation, this tool makes it effortless to view JSON, format data, and improve productivity.

Transparency &amp; Monetization

To keep LuminaJSON free, we may show clearly labeled recommendations in a "Sponsored/Ads" section. These may include trusted services or useful tools.

Affiliate Disclosure: We may earn a small commission at no extra cost to you. This helps support ongoing development.
Interaction is completely optional.

'tags:
'tags:
'tags:
'tags:
tags: ["JSON Formatter", "JSON Viewer", "JSON Validator", "JSON Pretty Print", "JSON Beautifier", "Developer Tools", "Dark Mode", "TypeScript Generator", "json editor", "json beautifier", "json prettier", "json object viewer"]

## Rankings

- #18,394 — Overall
- #25 — json
- #85 — format
- #144 — viewer
- #159 — javascript

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `https://sponsors-luminajson.pages.dev/`

### Content script matches

- `<all_urls>`
- `*`

## Safety

- **Risk impact:** High 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).

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