JSON Formatter
Paste JSON to pretty-print, minify, sort keys, and validate. Invalid JSON is highlighted with the exact line and column.
Pretty-print & validate JSON
Client-side onlyFast & private
Indentation
Sorting
Remove whitespace
Wrap long lines in output
Input
Waiting for input
No inputOutput
Error highlighted1│
Part of
Developer & Website Tools
A workflow cluster for web developers, technical marketers, builders, and anyone cleaning or generating structured data.
More in this suite
JSON → CSV
Turn JSON data into CSV files.
CSV → JSON
Convert CSV files into JSON arrays.
Regex Tester
Test and debug regular expressions.
UUID Generator
Generate v4 UUIDs securely.
CSS Gradient Generator
Design linear/radial gradients with CSS output.
CSV Cleaner + Formatter + Deduplicator
Clean messy CSV files, remove duplicates, and export a normalized result.
