


Overview
Professional JSON, CSV, YAML, and XML visualizer, validator, and formatter.
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.
5 out of 51 rating
Details
- Version1.8
- UpdatedFebruary 27, 2026
- Size29.69KiB
- LanguagesEnglish (United States)
- Developer
- Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
JSONMASTER has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
JSONMASTER handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, please open this page on your desktop browser