Free online JSON Formatter & Visualizer to format, validate, beautify, minify, and view JSON as a tree or graph. Copy, download, and inspect with ease
Formatted JSON will appear here...
How It Works
Paste or Type JSON
Paste or type your JSON into the input area.
Format & Validate
Click the format button to beautify and validate your JSON.
Copy or Download
Use the copy or download buttons to save your formatted JSON.
View Stats
View quick stats about your JSON structure below.
Frequently Asked Questions
What is a JSON formatter?
A JSON formatter is a tool that beautifies and validates your JSON data, making it easier to read and debug.
Is my data sent to a server?
No, all formatting and validation is done locally in your browser. Your data never leaves your device.
How do I copy the formatted JSON?
Click the 'Copy' button in the Formatted Output panel. The button will blink green to confirm copying.
Can I minify my JSON?
Yes! Use the 'Minify' button to remove all unnecessary whitespace from your JSON.
How do I upload a JSON file?
Click the 'Upload' button in the Input JSON panel and select your .json file from your device.
What does 'Show Types' do?
'Show Types' displays the data type of each value in your JSON, making it easier to understand complex structures.
Can I view my formatting history?
Yes, click the 'History' button in the Input JSON panel to see your recent JSON inputs.
Is there a limit to the size of JSON I can format?
There is no strict limit, but very large JSON files may slow down your browser.
How do I download the formatted JSON?
Click the 'Download' button in the Formatted Output panel to save your formatted JSON as a file.
Does this tool support JSON arrays as input?
Yes, you can paste or upload JSON arrays as well as objects. The tool will format and validate both.