JSON Tools
Format, validate, transform, and convert JSON data.
33 tools
JSON Formatter
Format and beautify JSON data with syntax highlighting and collapsible tree view.
JSON Minifier
Minify and compress JSON by removing all whitespace.
JSON Validator
Validate JSON syntax and get descriptive error messages with line numbers.
JSON Diff
Compare two JSON objects and visualize the differences.
JSON to YAML
Convert JSON data to YAML format instantly.
JSON to CSV
Convert JSON arrays to CSV format, ready to open in Excel.
JSON to TypeScript
Generate TypeScript interfaces and types from JSON data.
JSON to Go Struct
Generate Go struct definitions from JSON data.
JSONPath Tester
Test JSONPath expressions against JSON data and see results instantly.
JSON Schema Generator
Generate a JSON Schema from any JSON document automatically.
JSON to Python
NewGenerate Python TypedDict or dataclass definitions from JSON data.
JSON to Rust
NewGenerate Rust structs with serde derive attributes from JSON data.
JSON to Kotlin
NewGenerate Kotlin data classes with Gson annotations from JSON data.
JSON to Swift
NewGenerate Swift Codable structs from JSON data.
JSON to C#
NewGenerate C# records or classes with JsonPropertyName attributes from JSON data.
JSON to Dart
NewGenerate Dart classes with fromJson/toJson helpers from JSON data.
JSON to Zod Schema
NewGenerate Zod validation schemas and TypeScript types from JSON data.
JSON to Java
NewGenerate Java records with Jackson annotations from JSON data.
JSON to PHP
NewGenerate PHP 8+ typed classes with fromArray hydration from JSON data.
JSON to Yup Schema
NewGenerate Yup validation schemas from JSON data.
JSON to OpenAPI Schema
NewGenerate an OpenAPI Schema Object from JSON data.
JSON to MySQL
NewGenerate a MySQL CREATE TABLE statement from JSON data.
JSON to XML
NewConvert JSON data to XML markup with configurable root and pretty-printing.
JSON to INI
NewConvert JSON data to INI configuration file format.
JSON to .env
NewConvert JSON data to .env / properties style KEY=value lines.
JSON to TOML
NewConvert JSON data to TOML configuration format.
JSON Viewer
NewInteractive collapsible tree view for exploring and navigating JSON data.
JSON to Table
NewConvert a JSON array into a sortable, searchable HTML table.
JSON to GraphQL Schema
NewGenerate GraphQL type definitions from a JSON object's structure.
JSON Diff Viewer
NewCompare two JSON documents and see every added, removed, and changed value, with the full key path to each difference.
JSON to Pydantic Model Converter
NewConvert a JSON sample into Pydantic v2 BaseModel classes with nested models, Optional fields, lists and snake_case aliases.
jq Playground (Online jq Tester)
NewRun jq filters against JSON in your browser. Supports def functions, modules, reduce/foreach, streaming, regex, dates, slurp/null-input flags and more — no install, nothing uploaded.
JSONL / NDJSON Formatter & Validator
NewValidate, pretty-print, compact, sort and convert JSON Lines (NDJSON) files to and from JSON arrays, with per-line error reporting.