JSONMASTER

Name: JSONMASTER
Rating: 5 (2 reviews)
Author: Rahul Mahale

Professional JSON, CSV, YAML, and XML visualizer, validator, and formatter.

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

Rahul Mahale Developer Tools

Chrome Web Store ↗.crx

Users0%

Rating0%

5.00

2 reviews

Reviews+100.0%

Version

1.8

Manifest V3

History

8 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	—	5.00	1	1.8
Apr 9, 2026	6	5.00	1	1.8
Apr 26, 2026	5	5.00	1	1.8
May 9, 2026	4	5.00	1	1.8
May 14, 2026	5	5.00	1	1.8
May 21, 2026	6	5.00	1	1.8
May 27, 2026	5	5.00	1	1.8
Jun 3, 2026	4	5.00	1	1.8
Now	4	5.00	2	1.8

Permissions & access

Permissions: activeTabclipboardReadcontextMenusstorage
Host access: None declared

Screenshots

About

Visualize your JSON, YAML, XML and TOON file with just one right click 

JSONMASTER is the ultimate developer companion for working with data. Whether you are debugging APIs, analyzing configuration files, or exploring complex datasets, JSONMASTER turns raw text into a beautiful, interactive graph in seconds.

Key Features:
💎 Powerful Visualization: Instantly convert JSON, YAML, CSV, and XML into highly interactive, zoomable tree graphs.
🛠️ Smart Auto-Repair: Paste broken or malformed JSON? JSONMASTER's intelligent analyzer fixes common syntax errors automatically.
🔍 Deep Exploration: Navigate deeply nested objects with ease using our high-performance rendering engine that handles even massive datasets.
⚡ One-Click Detection: Right-click anywhere on the web to instantly visualize selected data or the entire page.
🎨 Modern Dark Mode: Designed for developers with a premium, high-fidelity interface that supports both light and dark themes.