Percentage Calculator
A little math. A lot less effort.
A LITTLE LESS BUSYWORK
Your everyday tools.
All in one place.
Resize an image. Run the numbers. Clean up your text.
Useful tools for the little things that get in your way.
Free to useBrowser toolsBrowser-based
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Add days, subtract days, or compare two dates.
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The current tools process inputs in your browser. No account is needed; files are handled in the browser.
Date Calculator
Add days, subtract days, or compare two dates.
- 01 · Set inputs
- 02 · Calculate
- 03 · Review
- 04 · Export CSV
How to use Date Calculator
Choose elapsed difference, add days or subtract days. Enter the calendar date(s), choose inclusive counting if needed, calculate and export CSV.
Example
Adding one day to 28 February 2024 gives 29 February 2024. Inclusive 1–3 January counts three dates.
Limits and output
Dates 1600–9999; adjustments up to 365,000 whole days within that range. No holiday, business-day or time-zone adjustment.