Site Map

Beautify and format JSON with syntax highlighting

Find syntax errors with exact line and column numbers

Strip whitespace and compress JSON, see bytes saved

Compare two JSON objects side-by-side

Auto-repair broken JSON — trailing commas, comments

Flatten nested JSON to dot-notation keys and back

Escape JSON to a string literal or unescape it

Convert JSON arrays to NDJSON and parse back

Generate realistic mock JSON data with custom fields

Decode tokens, inspect claims, and check expiry

Validate JSON data against a JSON Schema

Test JSONPath expressions and see all matches live

Export JSON arrays to spreadsheet-ready CSV

Import CSV files and convert to JSON arrays

Convert to human-readable YAML config format

Convert YAML configs to JSON instantly

Generate well-formed XML with configurable root tag

Parse XML and convert to a JSON object

Convert JSON arrays to GitHub Markdown tables

Convert JSON arrays to styled HTML tables

Generate CREATE TABLE and INSERT SQL from JSON

Generate CREATE TABLE and INSERT SQL from CSV

Generate MongoDB BSON code for Go, Node.js, Python

Auto-generate TypeScript interfaces from any JSON

Generate Go structs with json tags from JSON

Generate dataclass, TypedDict, or Pydantic v2 models

Generate serde Serialize/Deserialize Rust structs

Generate Java POJO classes — Jackson or Lombok

Generate Kotlin data classes with annotations

Generate C# classes for System.Text.Json or Newtonsoft

Generate Swift Codable structs with CodingKeys

Generate Dart classes with fromJson and toJson

Generate Zod validation schemas from JSON

Infer JSON Schema Draft 2020-12 from any JSON

Generate Mongoose Schema definitions from JSON

Generate Jest, pytest, and Go testify fixtures

Standard, URL-safe, and raw Base64 encoding

Encode or decode URLs — query, path, form encoding

SHA-256, SHA-512, SHA-1 and HMAC signatures

Generate UUID v4 and v7 identifiers in bulk

Convert Unix timestamps to human-readable dates

Test regex patterns with live match highlighting

Convert cURL commands to Go, Python, JS, Ruby

Escape and unescape HTML entities

Convert between decimal, hex, binary, and octal

Convert ENV files to JSON and JSON back to ENV

Compare two text blocks line by line

JSON guides, tutorials, and error fixes

Copy-ready JSON examples for common data structures

Quick reference for JSON syntax and types

Beginner guide to the JSON data format

Side-by-side comparison of JSON and YAML

When to use JSON vs XML for data exchange

Choosing between JSON and CSV for your data

Complete three-way format comparison

How JWT works — header, payload, signature

Tools and methods for validating JSON data

Complete reference for HTTP status codes

UUID versions explained — v1, v4, v7 and more

JSONKit homepage — all tools at a glance

About JSONKit and our mission

All articles and tutorials

How we handle your data

Terms and conditions of use