JSON → CSV
Flatten nested JSON arrays into clean CSV tables.
COLLECTIONS · 4 FAMILIES · 23 LIVE TOOLS
Browse by what you're doing.
Categories say what a tool is. Collections say what you need — "I'm working with JSON", "I'm encoding something". One family per job, zero dead ends.
Family · json
JSON Tools
Format, validate, convert and generate JSON.
13 liveOpen collection →
CSV → JSON
Convert CSV files into structured JSON.
JSON → XML
Transform JSON into well-formed XML.
XML → JSON
Parse XML documents into JSON objects.
YAML → JSON
Convert YAML configs into JSON.
JSON → YAML
Turn JSON into readable YAML.
JSON Formatter
Beautify and pretty-print JSON with consistent indentation.
JSON Minifier
Strip whitespace to shrink JSON while preserving correctness.
JSON Validator
Check JSON syntax and pinpoint the exact error line.
JSON Schema Lite
Validate JSON against a schema, fully offline.
JSON Diff
Compare two JSON documents and highlight the differences.
Fake JSON Generator
Generate realistic mock JSON from a simple shape.
JWT Decoder
Decode JWT header, payload, and signature — no verification server.