# JSON Viewer

> Format, validate and beautify JSON data with syntax highlighting and tree view

Canonical page: [https://chrome-stats.com/d/viewerjson](https://chrome-stats.com/d/viewerjson)

## Overview

- **ID:** `viewerjson`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Red Tercel
- **Category:** other
- **Daily users:** 4
- **Weekly downloads:** 2
- **Version:** 1.0.0
- **Last updated:** 2026-02-21
- **First published:** 2026-02-18
- **Size:** 23 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/viewerjson/)

## Rankings

- #50,550 — Overall
- #48 — json
- #212 — viewer

## Permissions and access

### Permissions

- `clipboardWrite`

## Safety

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

### Analysis details

- Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
- 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/viewerjson)