Free JSON Datasets
Curated, open-source JSON datasets for testing, learning, and building applications. All datasets are free to use in your projects.
Free JSON Datasets
Use these datasets for testing, learning, or in your projects. All datasets are free and open source.
World Airports
Major international airports with IATA codes, locations, and geographic coordinates for travel applications.
Colors
A collection of 35 common colors with names, hex codes, RGB values, and color categories.
ESLint Config
Example ESLint configuration for TypeScript and React projects.
Package.json Example Dataset
Example package.json for Node.js/JavaScript projects with common scripts and dependencies.
Prettier Config
Example Prettier configuration for consistent code formatting.
TypeScript Config
Example tsconfig.json with strict settings for TypeScript projects.
Continents
All seven continents with area, population, country counts, and geographic facts.
World Countries
A curated dataset of 50+ major countries with ISO codes, capitals, regions, populations, and currency information.
CSS Named Colors
All CSS named colors with hex codes and RGB values for web development.
World Currencies
A dataset of 30 major world currencies with codes, symbols, decimal digits, and associated countries.
Chemical Elements
Periodic table elements with atomic numbers, symbols, masses, and categories.
Emoji Categories
Emojis organized by category with unicode characters for emoji pickers.
Emoticons
A collection of classic text emoticons with meanings and categories, perfect for sentiment analysis and chat features.
European Countries
All European countries with capitals, population, EU membership status, and currency information.
File Extensions
A reference dataset of common file extensions with types, MIME types, and descriptions for file handling.
US Holidays
US federal holidays and common observances with dates and types.
HTTP Status Codes
Complete reference of HTTP status codes with messages, categories, and descriptions for web development.
Keyboard Shortcuts
Common keyboard shortcuts for Windows and Mac with categories and actions.
World Languages
Major world languages with ISO codes, native names, speaker counts, and text direction for internationalization.
Lorem Ipsum
Lorem ipsum placeholder text with paragraphs, sentences, words, and fake names for testing.
Mock Comments
Sample comment data for testing discussion features, moderation, and social interactions.
Mock Events
Sample event data for testing calendar features, registrations, and event management.
Mock Notifications
Sample notification data for testing notification systems, read states, and user alerts.
Mock Orders
Sample e-commerce order data for testing order management and fulfillment systems.
Mock Blog Posts
Sample blog post data for testing CMS features, content management, and publishing workflows.
Mock Products
Sample e-commerce product data for testing shopping carts, catalogs, and product management features.
Mock Transactions
Sample financial transaction data for testing banking features and accounting systems.
Mock Users
Sample user data for testing authentication, user management, and CRUD operations in your applications.
Mountains
Famous mountains worldwide with heights, ranges, and first ascent dates for geographic applications.
Movie Genres
Film genres with descriptions and example movies for entertainment applications.
Music Genres
Music genres with origins, parent genres, and subgenres for music applications.
NATO Phonetic Alphabet
NATO phonetic alphabet with letters, code words, pronunciations, and Morse code.
Oceans
The five world oceans with area, depth, and geographic information.
Solar System Planets
All eight planets in our solar system with physical and orbital characteristics.
Programming Languages
A curated collection of popular programming languages with creation year, creator, paradigms, and type system information.
Regex Patterns
Common regular expression patterns for validation with examples and descriptions.
Rivers
Major world rivers with length, drainage area, and geographic information.
NFL Teams
All 32 NFL teams with cities, conferences, divisions, stadiums, and colors.
JSON Edge Cases Test Dataset
Edge cases and special values for testing JSON parsers and validators.
Large Array Test
50-item array for testing pagination, filtering, and list rendering performance.
Validation Test Data
Valid and invalid examples for testing validation rules and form inputs.
World Timezones
A dataset of 31 major world timezones with IANA identifiers, abbreviations, UTC offsets, and DST information.
Units of Measurement
Common units of measurement with symbols, types, and conversion factors.
US State Capitals
All 50 US state capitals with population, founding year, and coordinates.
US States
A comprehensive JSON dataset of all 50 US states with abbreviations, capitals, statehood dates, and bordering states.
World Cities
Major world cities with populations, coordinates, and timezone information for global applications.
Zodiac Signs
All 12 zodiac signs with symbols, elements, and date ranges for astrology applications.
Work with your JSON data
Use our free online tools to validate, format, convert, and transform JSON.
Have a dataset to share? Submit a contribution