Online JSON Formatter
Format, validate, pretty-print, and minify your JSON data. Paste code or upload a file.
Online JSON Formatter
Our advanced JSON formatter is an essential tool for developers, data analysts, and anyone working with JSON data. It acts as a powerful JSON beautifier and pretty-printer, transforming minified or messy code into a clean, human-readable format. Whether you're debugging API responses, examining configuration files, or simply need to structure your data, our tool makes it easy. With support for various indentation levels (2-space, 4-space, and tabs), you can customize the output to your exact preferences. This online utility works as a JSON linter, helping you spot structural issues at a glance and ensuring your data is well-organized.
Clean up your messy JSON into a human-readable format. Our tool automatically indents your code, making it easy to read and understand. Supports 2 spaces, 4 spaces, and tabs for indentation.
Instantly validate your JSON data. Our tool acts as a JSON checker, highlighting syntax errors and providing clear messages to help you debug and fix your code quickly.
Seamlessly convert your JSON data to other popular formats like XML, CSV, and YAML. Our powerful conversion tools simplify data transformation between different systems.
Explore your JSON data in a structured tree view. This feature allows you to easily navigate through complex nested objects and arrays, and even shows image previews on hover for image URLs.
Directly upload your JSON files to format them. Once you are done formatting or converting, you can download the result as a file, streamlining your workflow without copy-pasting.
Your data's privacy is paramount. All formatting and validation happen directly in your browser. No data is sent to our servers, ensuring your information remains secure.
Comprehensive JSON Validator
Beyond formatting, this tool is a robust online JSON validator. It meticulously checks your JSON syntax against the official specifications (RFC 8259), providing instant feedback. If our JSON checker finds an error—like a missing comma, unclosed bracket, or invalid data type—it pinpoints the exact line number and provides a clear error message. This makes it an invaluable JSON lint tool for debugging and correcting your data structures. You can confidently validate your data before using it in applications, saving significant development time. Our tool ensures your JSON data is not just well-formed but syntactically perfect.
JSON Example
Play with this sample JSON data in the editor above to see our formatter and validator in action. You can modify it or use your own.
Frequently Asked Questions (FAQ)
Our JSON Formatter and Validator works seamlessly on Windows, Mac, and Linux, across all modern browsers like Chrome, Firefox, Safari, and Edge.