Text Style & Fun

Random Birthday Generator - Adult Test Dates

Generate random birthdays with realistic adult age ranges (18-80 years old).

100% Client-SideNo Tool Data StoredFree to UseNo Account Needed
Random Birthday Generator
    ⚠ For testing and mockups only. Generated addresses, postcodes, and phone numbers are randomized and may match real entities by coincidence. Don't use this data for fraud, harassment, or impersonation.

    How to Use Random Birthday Generator

    1. 1

      Set count.

    2. 2

      Regenerate for new random birthdays.

    3. 3

      Copy or download for test data.

    About Random Birthday Generator

    Generate random birthdays for realistic adult ages (18-80). Use for mock user profiles, software testing, age-validation form testing, and demo data. Output is ISO 8601 (YYYY-MM-DD). Day is limited to 1-28 to avoid month-day mismatches.

    FRI

    Built by

    Fateh Raiyan Ishmum

    Full-stack dev since 2020. Full-stack web developer since 2020. Builds privacy-first, open-web tools. Specialises in Next.js, TypeScript, and performance-focused design.

    Frequently Asked Questions

    Birthdays correspond to ages 18-80 from today's date. So if today is 2026-05-23, birthdays fall between 1946-05-23 and 2008-05-23.

    Most adult-targeted apps and forms accept this range. For different ranges (kids, seniors), use the broader Random Date Generator instead.

    Yes. Month is uniformly random (1-12), day is 1-28 (to avoid month-day mismatches like Feb 30), year is random within 18-80 ago.

    Use for testing only. Faking your age for age-restricted services is against terms of service and may be illegal in some jurisdictions.

    More Free Tools

    Random Date Generator

    Generate random dates between 1900 and 2100. Useful for testing, games, and decision making.

    Fake Data Generator

    Generate fake data for software testing: US/Canada/UK addresses, phone numbers, dates, birthdays, zip codes.

    Unix Timestamp Converter

    Convert Unix timestamps (epoch) to human-readable dates and back. Seconds or milliseconds. ISO 8601, UTC, local.

    Most Popular

    Fraction Generator

    Convert ASCII fractions like 1/2 and 3/4 into Unicode fraction characters. Copy and paste ½, ⅓, ¾, ⅝.

    Random Anime Character Generator

    Generate random anime characters from popular series. Naruto, One Piece, Demon Slayer, Jujutsu Kaisen, more.

    Random Fruit Generator

    Generate random fruits from 60+ varieties. For games, recipes, grocery decisions, learning.

    Random Dinosaur Generator

    Generate random dinosaurs from 50 real species. T-Rex, Velociraptor, Brachiosaurus, more.