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Date Add / Subtract

Add or subtract days, weeks, months or years.

Runs locally in your browser. Your data is never uploaded.

What is the Date Add / Subtract?

Add or subtract days, weeks, months or years. The Date Add / Subtract is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Date & Time tools on DevNibble such as Date Difference Calculator, Age Calculator, Duration Formatter.

How to use the Date Add / Subtract

  1. Paste or type your input.
  2. The result appears instantly.
  3. Copy or download it.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Is the Date Add / Subtract free to use?

Yes — Date Add / Subtract is completely free with no sign-up, no ads and no limit on how many times you can use it.

Is my data private when I use the Date Add / Subtract?

Everything happens locally in your browser. Your input is never sent to a server, which makes Date Add / Subtract safe to use with private or sensitive data.

How do I use the Date Add / Subtract?

Enter or paste your text and the result appears instantly. Copy or download it whenever you're ready.

Do I need to install anything to use the Date Add / Subtract?

No installation and no account required — Date Add / Subtract runs entirely in your web browser on desktop and mobile. Add or subtract days, weeks, months or years.