Leap Year Checker
Check if a year is a leap year and find nearby leap years.
Works Offline
Privacy First
No Login
No API
About the Leap Year Checker
Enter any year to instantly see whether it's a leap year, how many days it has, the closest previous and next leap years, and a list of upcoming leap years.
Examples
Year 2024
2024Output
Yes, leap year — 366 daysKeyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser