Random generators

Generate random license keys, serial numbers, and activation codes with customizable patterns and formats

Generate random public holidays from any country worldwide. Select a country and year to get random national holidays from over 199 countries.

Generate random lottery numbers for popular lotteries like Powerball, Mega Millions, EuroMillions, and more

Generate random Keno numbers for Eesti Loto. Pick 1-10 numbers from 1-64 following official Estonian lottery rules.

Generate random Sudoku puzzles with different difficulty levels. Create printable puzzles and view solutions.

Generate random colors with multiple modes including pastel, vibrant, dark, light, warm, cool, neon, earth tones, and color harmony schemes like analogous, complementary, and triadic. Export colors in HEX, RGB, HSL formats or as CSS variables.

Test your click speed and measure clicks per second (CPS)

Generate QR codes for geographic locations using latitude and longitude coordinates. Create scannable codes that open maps on smartphones.

Generate random personal details for testing purposes.

Create memorable username ideas with customizable prefixes, suffixes, casing, and optional numbers.

Generate random playing cards with customizable suits and ranks. Perfect for card games, probability simulations, and testing.

Generate random numbers with valid Verhoeff checksums

Generate Luhn number.

Generate number with Damm algorithm check digit.

Generate random vehicle data including manufacturer, model, type, fuel, VIN, VRM, and color.

Generate random computer specifications including CPU, GPU, RAM, storage, motherboard, PSU, case, cooler, and operating system.

Generate random JSON data with realistic dummy values using Faker.js. Create mock API responses, test data, and sample JSON objects with customizable templates and multiple records.

Generate random text from templates with Faker.js placeholders. Create realistic dummy text with names, emails, addresses, phone numbers, and more. Perfect for testing, mockups, and sample content.

Generate random TOON (Token-Oriented Object Notation) data with realistic dummy values using Faker.js. Create token-efficient mock data for LLM testing with customizable templates, multiple records, and delimiter options.

Generate random prices with customizable currency, range, and decimal precision using Faker.js. Create realistic price values for e-commerce testing, financial mockups, and data visualization with support for 15+ major currencies.

Generate random airplane and flight data including airplane model, airline, flight number, seat, and booking reference.

Generate random chemical elements with name, symbol, and atomic number from the periodic table.

Generate random music genres and song names for creative projects and testing.

Generate random words with customizable word types including adjectives, adverbs, nouns, verbs, and more.

Generate random country names for testing, development, and data generation

Generate random country flags with SVG icons and country names for quizzes, games, or educational purposes

Randomly pick a name from a list. Enter names (one per line) and let the tool randomly select one - perfect for drawings, team selections, or decision making.

Generate random MongoDB ObjectId values for testing and development purposes.

Generate random Bitcoin addresses for testing and development purposes. Perfect for mockups, demos, and development environments.

Generate creative and memorable team names for projects, groups, sports teams, or any collaborative effort.

Generate random yes or no decisions instantly. Optionally include maybe as a third option. Perfect for making quick decisions, settling debates, or just having fun with random choices.

Generate random LEGO pieces from a catalog of authentic brick types. Perfect for building challenges, creative exercises, or random MOC inspiration.

Generate random number within a range.

Generate random values including integers, decimals, strings, UUIDs, booleans, and hexadecimal numbers. Customize ranges, precision, and character sets for testing, development, and data generation.

Generate random binary (base 2) numbers with configurable digit length

Generate random ternary (base 3) numbers with configurable digit length

Generate random quaternary (base 4) numbers with configurable digit length

Generate random quinary (base 5) numbers with configurable digit length

Generate random senary (base 6) numbers with configurable digit length

Generate random octal (base 8) numbers with configurable digit length

Generate random duodecimal (base 12) numbers with configurable digit length

Generate random hexadecimal (base 16) numbers with configurable digit length

Generate random tokens and secure strings

Generate random PIN codes with customizable length.

Generate secure numeric passwords or PINs. Create random digit sequences with options to exclude repeating digits for maximum security.

Generate printable draw lots slips with participant names for Secret Santa gift exchanges. Print, cut, and use for random draws at parties and events.

Generate and explore CMYK color codes with interactive sliders. Create custom CMYK colors or generate random combinations. Perfect for print design, branding, and color exploration with instant conversion to RGB, HEX, and other formats.

Generate and validate BIP39 mnemonic phrases for cryptocurrency wallets. Create secure recovery phrases with 12-24 words, convert between entropy and mnemonics, and derive cryptographic seeds with optional passphrases.

Test and measure your reaction time with this interactive click-based reaction tester

Flip a virtual coin to make random decisions. Track heads and tails statistics with history.

Generate crossword puzzles from custom words and clues with an interactive grid layout

Generate a random port number in the IANA private range (49152–65535) for WireGuard VPN, with an option to exclude the default port 51820

Generate random data that matches your regular expressions

Generate a random time within a selected start and end range.

Generate realistic random weather forecasts with customizable season, climate, and temperature units

Generate random images with various patterns and get their Base64-encoded output

Generate palindrome numbers with configurable digit count, base (decimal, binary, octal, hexadecimal), and quantity.