JSON Tools
Free json tools. Instant results, no login required.
40 tools availableBase64 Encoder / Decoder
Encode and decode Base64 strings instantly.
CSV to JSON Converter
Convert CSV data to structured JSON format instantly.
JSON Diff / Compare
Compare two JSON objects and highlight added, removed, and changed properties. Perfect for API response and config debugging.
JSON Editor
Edit JSON online with real-time validation, live error highlighting, key sorting, and instant format/minify. Works directly in your browser.
JSON Escape / Unescape
Escape special characters in text to make it a valid JSON string value, or unescape a JSON string back to plain text.
JSON Flatten
Flatten deeply nested JSON into flat key-value pairs using dot, underscore, or slash notation. Reverse with unflatten.
JSON Formatter
Format and prettify JSON data with syntax highlighting.
JSON Generator
Generate fake JSON data with configurable fields and types. Choose from user, product, order, and article presets.
JSON Merge
Deep-merge or shallow-merge two JSON objects. Deep merge recursively combines nested objects; shallow merge overwrites keys.
JSON Minifier
Minify JSON to remove whitespace and reduce file size.
JSON Parser
Parse raw JSON or escaped JSON strings into structured data. Shows type, key count, depth, and a formatted breakdown of the parsed result.
JSON Schema Generator
Infer a JSON Schema (Draft 2020-12) from a sample JSON object. Detects types, formats, and required properties automatically.
JSON Schema Validator
Validate a JSON document against a JSON Schema. Reports each validation error with the exact field path and reason.
JSON Sort Keys
Sort all keys in a JSON object alphabetically (A→Z or Z→A). Supports deep sorting of nested objects.
JSON Stringify / Parse
Run JSON.stringify() with custom indentation, or JSON.parse() to decode an escaped JSON string. Browser-based, instant.
JSON Tree Viewer
Visualize JSON as an interactive collapsible tree. Expand and collapse nodes to explore complex nested structures at a glance.
JSON Validator
Validate JSON syntax and identify errors.
JSON Visualizer
Visualize JSON as an interactive collapsible node tree with color-coded types. Zoom in and out, expand or collapse nodes.
JSON to Base64
Encode a JSON object to Base64 string or decode a Base64 string back to formatted JSON. Useful for JWT and API payloads.
JSON to C# Class
Generate C# classes with auto-properties from a JSON sample. Uses proper C# types and System.Collections.Generic imports.
JSON to CSV Converter
Convert JSON arrays to CSV format.
JSON to Excel Converter
Convert JSON data to an Excel-compatible CSV file. Supports custom delimiters and downloads with UTF-8 BOM for Excel.
JSON to Go Struct
Generate Go struct definitions with JSON tags from a JSON sample. Follows Go naming conventions with camelCase conversion.
JSON to HTML Table
Convert a JSON array of objects into a formatted HTML table. Choose between styled, plain, and Bootstrap layouts.
JSON to Java Class
Generate Java classes with getters and setters from a JSON sample. Produces clean POJO-style code ready for your project.
JSON to PHP Array
Convert JSON objects and arrays into PHP associative array syntax, ready to paste into any PHP file.
JSON to Python
Generate Python dataclasses or dictionary literals from JSON. Choose between @dataclass style or simple dict assignment.
JSON to SQL Converter
Generate SQL INSERT statements from JSON data. Supports MySQL, PostgreSQL, and SQLite dialects with optional CREATE TABLE.
JSON to TypeScript
Generate TypeScript interfaces from a JSON sample. Nested objects produce separate named interfaces with proper types.
JSON to XML Converter
Convert JSON data to well-formed XML markup instantly. Set a custom root tag and download the output file.
JSON to YAML Converter
Transform JSON objects into clean YAML format, perfect for configuration files and DevOps workflows.
JSONPath Tester
Test JSONPath expressions against your JSON data in real time. Supports $, .key, [*], .., and bracket notation.
JWT Decoder
Decode and inspect JSON Web Token (JWT) header, payload, and signature. Shows expiry, issued-at, and algorithm details.
MD5 Hash Generator
Generate MD5 hashes from any text string.
QR Code Generator
Generate QR codes for any URL or text. Download as PNG.
Random Number Generator
Generate random numbers within any range.
Regex Tester
Test regular expressions with live match highlighting.
URL Encoder / Decoder
Encode and decode URLs for safe transmission.
XML to JSON Converter
Convert XML markup to clean JSON format. Handles nested elements, attributes, and repeated tags automatically.
YAML to JSON Converter
Parse YAML configuration files and convert them to JSON format. Supports key-value pairs, arrays, and nested objects.