JSON Tools

Format, validate, convert, and manipulate JSON data with free online JSON tools. JSON formatter, JSON to YAML, JSON to XML, JSON diff, JSON minifier, JSON validator, and more — all 100% browser-based. Perfect for developers working with APIs, config files, and data interchange. No server uploads, your data stays private.

JSON Tools Hub

Browse all 50+ JSON tools — formatters, converters, code generators, and utilities.

Code Generation Hub

Generate code in TypeScript, Go, Python, Rust, and more from your data.

JSON Formatter

Format, validate, and beautify JSON with interactive tree view.

JSON Validator

Validate JSON syntax and detect errors in real-time.

JSON Minifier

Compress JSON by removing unnecessary whitespace.

JSON to YAML

Convert JSON documents to YAML format instantly.

JSON to XML

Transform JSON data structures to XML format.

JSON Diff

Compare two JSON objects and highlight differences.

JSON to CSV

Convert JSON arrays to CSV spreadsheet format.

JSON Path Query

Query JSON data using JSONPath expressions.

YAML to JSON

Convert YAML documents back to JSON format.

XML to JSON

Convert XML documents back to JSON format.

YAML Formatter

Beautify and validate YAML — closely related to JSON workflows.

XML Formatter

Format and beautify XML alongside your JSON data.

JSON vs YAML

Compare JSON vs YAML — syntax, use cases, and when to choose each.

JSON vs XML

Compare JSON vs XML — key differences for APIs and data interchange.

What is JSON?

Learn what JSON is, syntax rules, data types, and common uses.

Related Tool Categories

Explore other tool categories you might find useful:

YAML Tools XML Tools Encoding & Decoding Tools Data Conversion Tools

Explore Our Toolset

AI Prompt Generator

Create dynamic and reusable AI prompts with ease.

LLM Token Counter

Count tokens for GPT-4, Claude, Gemini and more — 100% client-side.

MCP Config Generator

Build MCP server configurations visually for AI tools.

REST API Client

Test and send HTTP requests directly from your browser. A fast, privacy-first API client supporting GET, POST, PUT, and DELETE methods.

OpenAPI Editor

Design, edit, and validate OpenAPI 3.x specifications with real-time validation and beautiful docs preview. YAML/JSON support with live preview.

OpenAPI Diff

Compare two OpenAPI 3.x specifications side by side. Detect added, removed, and changed endpoints, schemas, parameters, and responses — all browser-based.

Regex Tester

Test and debug regular expressions instantly with live match highlighting and flag support.

JSON to Code Generator

Convert JSON into clean, strongly-typed code in multiple programming languages. Generate models, classes, and structs instantly from JSON.

XML to Code Generator

Convert XML into clean, strongly-typed code across multiple languages. Supports attributes, namespaces, and complex XML schemas.

YAML to Code Generator

Convert YAML into clean, strongly-typed code for multiple languages. Supports nested schemas, anchors, and configuration files.

JSON Pipeline Builder

Compose JSON tools into reusable pipelines with step-by-step execution.

JSON Formatter

Make your JSON sparkle with clean, readable formatting.

JSON To YAML

Switch your JSON to human-friendly YAML on the fly.

JSON Schema GUI Builder

Visually build, edit, and manage JSON Schema with an intuitive GUI — no manual schema writing needed.

JSON To TOML

Convert your JSON to clean, readable TOML config format instantly.

SchemaCode ER Diagram Generator

Generate and visualize ER diagrams from SQL schemas using SchemaCode.

XML To JSON

Convert complex XML to friendly JSON in seconds.

YAML To JSON

Convert readable YAML into structured JSON effortlessly.

Base 64 Converter

Switch between base64 and other formats with ease.

Base 64 to Image

Generate and download images from base64 text

Timestamp Converter

Timestamp Converter: Effortlessly convert UNIX time to human-readable format and back.

Cron Helper

Cron Helper: Build, validate, and understand crontab expressions visually with live previews and next-run insights.

Age Calculator

Age Calculator: Quickly calculate your age in years, months, and days from your date of birth.

JWT Encoder

JWT creation made simple — sign, encode, go

JWT Decoder

Decode JWTs safely — fast, clean, and offline

UUID v1 Generator

Generate UUID v1: time-based unique identifiers for distributed systems.

UUID v3 Generator

Generate UUID v3: name-based UUIDs using MD5 hashing.

UUID v4 Generator

Generate UUID v4: random UUIDs for general-purpose unique IDs.

UUID v5 Generator

Generate UUID v5: name-based UUIDs using SHA-1 hashing.

UUID v7 Generator

Generate UUID v7: time-ordered, sortable UUIDs ideal for databases.

GUID Generator

Generate GUIDs: Microsoft-style UUIDs compatible across platforms.

ULID Generator

Generate ULIDs: lexicographically sortable unique IDs for modern apps.

URL Encoder

Encode URLs to URL-safe format instantly.

URL Decoder

Decode URL-encoded strings back to plain text.

JSON URL Encoder

Encode JSON objects to URL-safe strings.

JSON URL Decoder

Decode URL-encoded strings back to JSON.

XML URL Encoder

Encode XML to URL-safe strings.

XML URL Decoder

Decode URL-encoded strings back to XML.

YAML URL Encoder

Encode YAML to URL-safe strings.

YAML URL Decoder

Decode URL-encoded strings back to YAML.

Sort Lines

Sort lines of text alphabetically or numerically.

Remove Duplicates

Remove duplicate lines from text instantly.

Word Counter

Count the number of words in your text.

Character Counter

Count the number of characters in your text.

Line Counter

Count the number of lines in your text.

Duplicate Counter

Count duplicate lines in your text.

Spaces to Newlines

Convert spaces to newlines or vice versa.

Sort Words

Sort words in your text alphabetically.

String Case Converter

Convert strings between camelCase, PascalCase, snake_case, kebab-case, and more.

MCP Config Generator

Build MCP server configurations visually — generate Model Context Protocol configs for AI tools.