# JSON Viewer

> A modern UI for viewing and manipulating JSON

Canonical page: [https://chrome-stats.com/d/dan3988-json-viewer](https://chrome-stats.com/d/dan3988-json-viewer)

## Overview

- **ID:** `dan3988-json-viewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** dan3988
- **Category:** web-development
- **Daily users:** 42
- **Rating:** 3.00 / 5 (1 ratings)
- **Version:** 1.1.1
- **Last updated:** 2025-11-14
- **First published:** 2024-03-29
- **Size:** 550 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/dan3988-json-viewer/)

## Description

<strong>Features:</strong>
<ul><li>Expand and collapse objects and arrays recursively</li><li>Edit data and undo/redo changes</li><li>Search for text in keys, values or both</li><li>Copy formatted or minified values to clipboard</li><li>Shows URL strngs as hyperlinks</li><li>Evaluate JPath expressions</li><li>Multiple customizable colour schemes with dark and light mode</li><li>Keybindings for navigating documents quickly</li><li>Yes/no prompt to load detected JSON on non-whitelisted domains</li><li>A path editor with auto-complete</li><li>Interactive breadcrumb trail to the current property</li><li>Support for JSON5 syntax</li></ul>

## Rankings

- #17,473 — Overall
- #20 — json
- #82 — viewer
- #210 — property

## Permissions and access

### Permissions

- `scripting`
- `storage`

### 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/dan3988-json-viewer)