# JSON Viewer Pro

> Select JSON text on any page, right-click, and view it in an interactive tree or syntax-highlighted formatted view — with search, expand/collapse, and one-click copy. No data collection, no network requests.

Canonical page: [https://chrome-stats.com/d/json-viewer-tree-view-pro](https://chrome-stats.com/d/json-viewer-tree-view-pro)

## Overview

- **ID:** `json-viewer-tree-view-pro`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Vishwajeet
- **Category:** web-development,search-tools
- **Daily users:** 4
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 2.1.1
- **Last updated:** 2026-08-06
- **First published:** 2026-08-03
- **Size:** 39 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/json-viewer-tree-view-pro/)
- **Website:** [https://vishwajeetsingh.great-site.net/](https://vishwajeetsingh.great-site.net/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/json-viewer-tree-view-pro/privacy/](https://addons.mozilla.org/firefox/addon/json-viewer-tree-view-pro/privacy/)

## Description

View JSON instantly, right from any webpage — no copy-pasting into external tools.

<strong>Features</strong>

• Tree View: interactive hierarchical view with expand/collapse for every node
• Formatted View: syntax-highlighted JSON with line numbers
• Search: find keys and values with match-case and exact-word options, plus next/previous navigation (Ctrl+F)
• Expand All / Collapse All with one click
• Copy anything: the full formatted JSON, or click any key or value in the tree to copy just that
• Stats at a glance: item/key counts for the loaded JSON

<strong>How to use</strong>
<ol><li>Select JSON text on any webpage</li><li>Right-click the selection</li><li>Click "View JSON"</li><li>Explore the tree or formatted view</li></ol>
<strong>Privacy</strong>

No data collection, no analytics, no network requests. Your selected JSON is stored only in local extension storage on your device, just long enough to display it.

## Rankings

- #47,990 — Overall
- #51 — json
- #220 — viewer
- #244 — expand

## Permissions and access

### Permissions

- `contextMenus`
- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- 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/json-viewer-tree-view-pro)