Online JSON Toolkit

Format, validate, minify, extract values, generate test data and convert between formats. The language follows your browser (中文 / English).

JSON Processing

Format, validate, minify and other daily operations
{}

JSON Formatter

Pretty-print JSON: indentation, key sorting, escape options, error position

–

JSON Minify

Remove whitespace and newlines, output minified JSON

✓

JSON Validator

Syntax validation with precise error location (line:column)

Format Conversion

Two-way conversion between JSON and multiple formats
Y

JSON ↔ YAML

Two-way conversion between JSON and YAML

X

JSON ↔ XML

Two-way conversion between JSON and XML

C

JSON ↔ CSV

Two-way conversion between JSON and CSV with nested key flattening

T

JSON ↔ TOML

Two-way conversion between JSON and TOML

P

JSON ↔ Properties

Two-way conversion between JSON and .properties files

MD

JSON → Markdown Table

Turn an array of objects into a Markdown table in one click

SQL

JSON → SQL

Generate CREATE TABLE and bulk INSERT from JSON

TS

JSON → Code

Generate TypeScript / Go / Python / Java / PHP / C# types or literals

SC

JSON → JSON Schema

Infer a JSON Schema from a sample JSON

Extract & Generate

Freely extract JSON values, generate test data from your data
⌕

JSON Extractor

Pick values from the tree or use JSONPath to extract any JSON value

✎

Test Data Generator

Paste a sample JSON, fields are inferred and test data is generated in bulk

≡

JSON Visualizer

Browse JSON structure as a tree with node statistics