Yes, completely free with no signup required.

Does my data leave my device?

No. All calculations happen in your browser — nothing is sent to a server.

Does it work on mobile?

Yes. The tool is mobile-first and works on any modern browser.

Enter original servings and your target servings, then add ingredients. Each quantity is scaled automatically.

100% client-side · no upload

Original servings Target servings

Ingredients

Enter the original number of servings the recipe makes.
Enter the target number of servings you want to make.
Add each ingredient with its quantity and unit — scaled amounts appear instantly.

Is this tool free?: Yes, completely free with no signup required.
Does my data leave my device?: No. All calculations happen in your browser — nothing is sent to a server.
Does it work on mobile?: Yes. The tool is mobile-first and works on any modern browser.