JSON & Data

Pick a tool below. Everything runs locally in your browser — your input stays on your device.

Guide: JSON Validator vs JSON Formatter — what’s the difference?

• JSON Validator Validate & pretty-print JSON
• JSON Formatter Format, minify, and filter JSON by keys
• JSON Visualizer Visualize and filter JSON as an interactive node graph
• CSV to JSON Transform CSV data to JSON
• YAML ↔ JSON Converter Convert YAML to JSON and JSON to YAML
• Query String Parser / JSON Converter Convert query strings and flat JSON objects both ways
• JSON to TypeScript Interface Generator Generate TypeScript interfaces from JSON samples
• JSON Schema Validator / Generator Validate JSON with Draft 2020-12 or generate starter schemas