JSON Toolkit - Format, Validate, Minify & Analyze

Free online JSON toolkit. Format, validate, minify, sort keys, extract paths, explore tree/table/map views, and analyze JSON structure. 100% client-side; your data never leaves your browser.

Features

• Format / beautify and minify
• Syntax validation with error positions
• Tree, table, and map exploration views
• JSONPath extraction
• Key sorting (ascending / descending)
• Depth and size analysis
• 100% client-side

Frequently Asked Questions

How do I format (beautify) JSON?

Paste your JSON and the toolkit pretty-prints it with consistent indentation. If the input is invalid, it pinpoints the exact character position and cause of the error so you can fix it.

Is my JSON sent to a server?

No. All formatting, validation, and analysis run in your browser. Your JSON is never uploaded, which makes the toolkit safe for sensitive configuration and data.

What is JSONPath and how is it useful?

JSONPath is a query language (like XPath for XML) for selecting nodes inside a JSON document. It lets you extract matching values from deeply nested structures without writing custom traversal code.