JSON Viewer

Makes JSON response easy to read.

As of June 2026, JSON Viewer has 4,000 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Tim Developer Tools

Chrome Web Store ↗.crx

Users0%

4.0K

4,000

Rating0%

5.00

2 reviews

Reviews+100.0%

Version

2.1.0

Manifest V3

90-day change · In the last 90 days this extension 1 version update.

History

2 snapshots

Tracking since May 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 1, 2026	4.0K	5.00	1	2.0.0
May 11, 2026	4.0K	5.00	1	2.1.0
Now	4.0K	5.00	2	2.1.0

Changelog

May 1, 2026

description

Open source JSON viewer
FEATURES
   •   JSON & JSONP support
   •   Syntax highlighting
   •   Collapsible trees, with indent guides
   •   Clickable URLs
   •   Toggle between raw and parsed JSON

Source: https://github.com/timleland/Json-Viewer-Extension

Open source JSON viewer for Chrome that makes JSON and JSONP responses much easier to read, explore, and debug.

Whether you're working with APIs, inspecting responses in the browser, or just trying to make sense of raw JSON data, this extension gives you a cleaner and more developer-friendly way to view structured data right in Chrome.

✨ Features:
• JSON & JSONP support
• Syntax highlighting
• Collapsible trees with indent guides
• Clickable URLs
• Copy and Download JSON data
• Toggle between raw and parsed JSON

🛠 Perfect for:
• Developers working with APIs
• Debugging JSON responses in the browser
• Quickly exploring nested objects and arrays
• Making large JSON payloads easier to scan

📦 Why use it?
Raw JSON in the browser can be hard to read and navigate. This extension transforms JSON into a structured, interactive view so you can inspect data faster and with less friction.

🌍 Open source:
https://github.com/timleland/Json-Viewer-Extension

Permissions & access

Permissions: None declared
Host access: None declared

Screenshots

About

Open source JSON viewer for Chrome that makes JSON and JSONP responses much easier to read, explore, and debug.

Whether you're working with APIs, inspecting responses in the browser, or just trying to make sense of raw JSON data, this extension gives you a cleaner and more developer-friendly way to view structured data right in Chrome.

✨ Features:
• JSON & JSONP support
• Syntax highlighting
• Collapsible trees with indent guides
• Clickable URLs
• Copy and Download JSON data
• Toggle between raw and parsed JSON

🛠 Perfect for:
• Developers working with APIs
• Debugging JSON responses in the browser
• Quickly exploring nested objects and arrays
• Making large JSON payloads easier to scan

📦 Why use it?
Raw JSON in the browser can be hard to read and navigate. This extension transforms JSON into a structured, interactive view so you can inspect data faster and with less friction.

🌍 Open source:
https://github.com/timleland/Json-Viewer-Extension