10 Best JSON Viewer Tools To Format JSON Strings (2025 Update)
JSON is a lightweight, text-based open standard designed for human-readable data interchange. It is a very simple format consisting of key-value pairs.
JSON format has become one of the most popular formats for data exchange between web services and clients, especially in single-page applications.
JSON representation of various business objects and data has already become a crucial aspect of modern web development, be it for mobile apps or websites.
No matter how convenient, effective and scalable its structure appears to be, a developer needs a proper JSON viewer tool in hand to format and visualize JSON strings with ease.
If you are dealing with JSON data but aren't sure what they contain, it can be very useful to review your data using a JSON viewer.
So here you have top 10 of the best JSON viewer tools you can use to format & convert JSON data to a human-readable view. Enjoy.
Originally Published July 24 2020, updated Feb 18 2025
Table of contents:
Best jQuery JSON Viewer Tools
Beautiful JSON Viewer And Editor With jQuery - JSON Editor
A lightweight, simple, beautiful JSON viewer and editor plugin helps the developers to render JSON objects in HTML with collapsible/expandable navigation just like a tree view.
jQuery Plugin For Easily Readable JSON Data Viewer
Yet another jQuery JSON viewer plugin which renders JSON objects in HTML with support for syntax highlighting and collapsible/expendable navigation.
Display JSON Data As A Checkable Tree - jQuery jsontree.js
A tiny and user-friendly JSON manipulation and visualization jQuery plugin for rendering complex JSON data in an interactive, collapsible, checkable tree.
Beautiful JSON Viewer With Callback Support - jQuery JVC
A feature-rich JSON viewer plugin that transforms JSON objects, strings, and arrays into a beautifully structured, collapsible/expandable tree structure.
Format JSON Data With Colored Syntax - pretty-print-json
A web-based tool used to format/beautify JSON data and colorize key/value pairs depending on the data type.
Best Vanilla JS JSON Viewer Tools
Render JSON Data As A Tree View – json-view
Yet another JSON viewer library that renders your JSON data as a collapsible and expandable tree structure for better readability.
Visualize JSON Data Like A Pro With JSONTree.js
A tiny JavaScript JSON tree library that allows developers to visualize complex JSON data through a customizable, interactive tree view.
Minimal JSON Data Formatter – JSONViewer
A super lightweight, pure JavaScript JSON formatter / viewer which helps render JSON objects just like a collapsible tree view.
Beautiful JSON Rendering In Pure JavaScript – JSON Formatter
JSON Formatter is a pure JavaScript plugin used for rending local JSON objects and/or external JSON files in an elegant way (just like the collapsible tree structure).
JSON Viewer & Path Picker In Vanilla JavaScript
This is the Vanilla JavaScript version of the jQuery JSON Path Picker, which helps you render your JSON data in a collapsible tree structure where you can get the path to each key by clicking on the output icon.
More Resources:
We hope that, by reading this article, you will be able to get a better idea of how JSON viewers can be used on your website and why they are so important. If you know of any other ways in which the above JSON viewer tools can help your web development projects, do let us know in the comments section below. We would love to hear from you!
Looking for more jQuery plugins or JavaScript libraries to create JSON Viewer Tools on the web & mobile? See jQuery JSON Viewer and JavaScript JSON sections for more details.
See Also:
- 10 Best Online JSON Data Converters In JavaScript
- 10 Best Form Builder Plugins To Generate Forms From JSON Data
- 5 Best React Based JSON Viewer To Help View & Edit JSON Data