JSON Formatter
Pretty-print and beautify JSON with custom indentation.
Input
Formatted output
About the JSON Formatter
Format messy or minified JSON into a clean, readable structure with configurable indentation and optional key sorting. Errors are reported with the exact line and column so you can fix them quickly.
Examples
Minified to pretty
{"name":"Ada","skills":["logic","math"]}Output
{
"name": "Ada",
"skills": [
"logic",
"math"
]
}Related tools
JSON Compare
JSON
Diff two JSON documents and list added, removed, and changed paths.
JSON Minifier
JSON
Compress JSON by removing whitespace and show bytes saved.
JSON String Escape
JSON
Escape special characters for use inside a JSON string.
JSON String Unescape
JSON
Reverse JSON string escaping back to readable text.
JSON to CSV
JSON
Flatten a JSON array of objects into a CSV spreadsheet.
JSON to XML
JSON
Convert JSON into well-formed, indented XML.
Frequently asked questions
Read more
- Why browser-based developer tools are safer than online converters
Most 'online' formatters upload your data to a server. Here's why client-side processing matters, and how to tell the difference.
- A practical guide to formatting, validating and converting JSON
Indentation, key sorting, common parse errors, and when to convert JSON to YAML, XML or CSV instead.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser