JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting

Pentest Tool · v3.2 (Secure)
4
View Modes
Formatted, Minified, Tree
10MB
Max Input
JSON size limit
50
Max Depth
Prevents overflow
Options
Sort, Minify
Custom formatting

JSON Formatter Pro

Format and validate JSON with advanced options

Max size: 10MB | Max depth: 50 levels

Formatting Options

Indent Size
Sort Keys
Strip Whitespace
Escape Slashes
Unicode
Error Handling
Actions
Perfect for working with API responses, configuration files, and debugging JSON data. Max input size: 10MB.

Examples

Simple Object

{"name":"John","age":30,"city":"New York"}

Nested Object

{"user":{"name":"John","address":{"city":"NY","zip":10001}}}

Array Data

["apple","banana","orange"]

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It's easy for humans to read and write, and easy for machines to parse and generate.

Features

Validation - Check JSON syntax
Formatting - Beautify and indent
Minification - Compress JSON
Tree View - Visual structure

Common Uses

API responses
Configuration files
Data exchange
Web development