Input Your JSON Code
Formatted Output
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| JSON Formatter Online Tool |
JSON Formatter & Validator Tool - Format, Validate, and Beautify JSON Instantly
Our free online JSON Formatter and Validator tool helps developers format, validate, and beautify JSON data instantly. Whether you're working with APIs, configuration files, or data storage, this tool ensures your JSON is properly structured and error-free.
Our free online JSON Formatter and Validator tool helps developers format, validate, and beautify JSON data instantly. Whether you're working with APIs, configuration files, or data storage, this tool ensures your JSON is properly structured and error-free.
Why Use Our JSON Formatter Tool?
Instant Validation
Quickly identify and locate errors in your JSON structure with detailed error messages.
Readable Formatting
Transform messy JSON into beautifully indented and organized code with proper syntax highlighting.
Time-Saving
Speed up your development process by automatically formatting JSON data instead of doing it manually.
No Installation Needed
Access this tool directly from your browser without any downloads or installations.
How to Use the JSON Formatter and Validator
- Paste your JSON code into the input textarea
- Click "Format JSON" to beautify your code with proper indentation
- Click "Validate JSON" to check for syntax errors
- Use "Minify" to compress your JSON by removing unnecessary whitespace
- Copy the formatted output for use in your projects
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is widely used for transmitting data in web applications and storing configuration settings.
Basic JSON Structure
JSON is built on two structures:
- A collection of name/value pairs (often realized as an object, record, or dictionary)
- An ordered list of values (often realized as an array, list, or sequence)
Common JSON Uses
- API responses and requests
- Configuration files for applications
- Data storage in NoSQL databases like MongoDB
- Serializing and transmitting structured data over networks
Frequently Asked Questions About JSON
What does JSON stand for?
JSON stands for JavaScript Object Notation. Despite its name, it's a language-independent data format that can be used with many programming languages.
What are the common JSON formatting errors?
Common errors include missing commas, trailing commas, unquoted keys, incorrect use of quotes, and mismatched brackets or braces.
How is JSON different from XML?
JSON is less verbose, easier to read, and parses faster than XML. While both are used for data interchange, JSON has become more popular for web APIs.
Can JSON contain comments?
No, the JSON specification does not support comments. You'll need to remove comments before validating JSON data.
What is the correct MIME type for JSON?
The official MIME type for JSON is "application/json".
