Expiry Date Calculator

Compute expiry dates from production date and shelf life, or work backwards from expiry. Batch support with remaining-days alerts. Fully processed in your browser.

How to use

1. Fill in the input box above, or click "Fill sample" to try it instantly
2. Adjust the options as needed — results update as you type
3. Click "Run" to get the result, then copy or export it in one click

Tips

• Runs entirely in your browser — your data never leaves the device
• Completely free, no registration, no usage limits
• Most tools compute in real time as you type