JSON Tools
14 free browser-based JSON utilities — format, validate, flatten, extract keys, convert, and more. Everything runs locally in your browser. No data leaves your machine.
Tools
JSON Formatter
Format, validate & minify JSON
JSON Path Finder
Explore JSON structure & find paths
JSON to CSV
Convert JSON arrays to CSV
CSV to JSON
Convert CSV data to JSON
JSON to TypeScript
Generate TS interfaces from JSON
JSON Schema Generator
Generate JSON Schema from data
JSON to YAML
Convert JSON to YAML format
YAML to JSON
Convert YAML to JSON format
JSON Escape / Unescape
Escape & unescape strings for JSON
JSON Flatten
Flatten nested JSON to dot notation
JSON Key Extractor
Extract all unique keys from JSON
JSON Sort Keys
Sort JSON object keys alphabetically
JSON Remove Duplicates
Deduplicate JSON arrays & objects
JSON Size Estimator
Analyze JSON size & compression