Free Online JSON Tools
Format, validate, minify, query, and visualize your JSON data with these free online tools.
Online JSON Formatter
Format and beautify your JSON data with customizable indentation online.
Use Tool OnlineOnline JSON Validator
Validate your JSON and get detailed error messages for invalid JSON online.
Use Tool OnlineOnline JSON Minifier
Minify your JSON by removing whitespace to reduce file size online.
Use Tool OnlineOnline JSON Schema Validator
Validate JSON data against a JSON Schema to ensure it follows a specific structure online.
Use Tool OnlineOnline JSONPath Evaluator
Query and extract data from JSON using JSONPath expressions online.
Use Tool OnlineJSON to Object Converter Online
Convert JSON to programming language classes for Java, C#, TypeScript and Python online.
Use Tool OnlineFree Online JSON Tools FAQ
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write and easy for machines to parse and generate. JSON is a text format that is completely language independent but uses conventions familiar to programmers of many popular languages.
Why use online JSON tools?
Online JSON tools provide immediate access to essential JSON utilities without requiring any software installation. They work across all devices and platforms, offering convenience and accessibility. Our free online JSON tools process all data directly in your browser, ensuring your sensitive JSON data never leaves your device.
Why format JSON online?
Formatting JSON online makes it more readable for humans, which is especially helpful when debugging or reviewing data. Our free online JSON formatter adds proper indentation and line breaks, making complex JSON structures easily understandable with no software installation required.
Why minify JSON online?
Minifying JSON online removes all unnecessary whitespace, making the file size smaller. This is useful for production environments to reduce bandwidth and improve load times. Our free online JSON minifier helps optimize your JSON data instantly in your browser.
What is online JSONPath evaluation?
JSONPath is a query language for JSON, similar to XPath for XML. Our online JSONPath evaluator allows you to extract specific data from complex JSON structures using expressions like "$.store.book[*].title" to retrieve all book titles in a store object. It's a powerful way to navigate and extract data from JSON documents directly in your browser.
What is online JSON to Object conversion?
Online JSON to Object conversion transforms JSON data into programming language classes or interfaces. This free online tool is useful for developers who need to create strongly-typed classes based on JSON structures for Java, C#, TypeScript, or Python, saving time and reducing errors without installing any software.
Is my data secure when using these online JSON tools?
Absolutely! Your security and privacy are our top priorities. All processing happens entirely in your browser - your JSON data never leaves your device or gets sent to any server. Our free online JSON tools work completely client-side, providing maximum security and privacy. This makes them perfect for working with sensitive or confidential JSON data that shouldn't be uploaded to third-party servers.