Age & Date Calculator

100% In-Browser

Calculate exact age, days lived, countdown to next birthday, and weekday stats.

Key Capabilities & Features

✓ 100% Client-side processing with zero server telemetry
✓ Instant copy and download options
✓ Clean formatting and auto-validation
✓ No account or subscription required

Frequently Asked Questions

Does this consider leap years?

Yes, calendar math accurately accounts for leap years and varying month lengths.