WORKS IN YOUR BROWSER
Free. No account needed.Add or Subtract Dates
Shift a calendar date by days, weeks, months, or years.
Result
Enter your values. Your result will appear here.
How it works
- Enter a start date.
- Choose a unit and integer amount. Use a negative amount to subtract.
Example & practical use
2025-01-31 + 1 month → 2025-02-28
What to know
Uses UTC calendar dates. Month/year changes clamp to the final day when needed. Inputs and results must be within years 0001–9999; the amount is limited to ±1,000,000.
Are my files or inputs uploaded?
Image and text processing happens in your browser. Your files are not uploaded to our servers.
Found an issue?
We are improving this alpha release. Tell us the tool, your device and the expected result through the contact page. You do not need to share private inputs or original files. Contact