How JSON Formatter Works
Paste Your JSON
Enter or paste your raw JSON into the left input area. This can include compact or messy JSON.
Click Format
Click the 'Format JSON' button to automatically prettify and indent your JSON structure.
View the Output
See your formatted JSON on the right. It's easier to read, debug, and use in your code.
Copy and Use
Click 'Copy to Clipboard' to instantly copy the formatted result for use elsewhere.
Related developer Tools
Explore other powerful developer processing tools to complete your workflow
QR Code Generator
Create QR codes instantly
Password Generator
Generate strong and secure passwords
JSON to CSV
Easily convert JSON data to CSV format for Excel, Sheets, or database import — fast, free & secure.
CSV to JSON
Convert CSV files to JSON format instantly — perfect for APIs, web apps, or structured data workflows. 100% free & secure.
Trusted by Professionals
"Absolutely essential tool for developers! I paste messy JSON and it instantly beautifies it. Saves me tons of time."
"Clean UI and super fast. Handles large JSON files well. Would be awesome to have color themes or dark mode."
"Best online JSON formatter I've used! It also validates the structure and shows helpful error messages. Highly recommended."
JSON Formatter – Frequently Asked Questions
Have questions about formatting or validating JSON? Get answers to the most common questions here.