JSONMASTER

by YUTILO · jsonmaster.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

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

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#230K

#192K among extensions

Version

1.8

updated 27 Feb 2026

Users

monthly, 8 months

Latest, 16 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months

Latest, 16 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About JSONMASTER

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.