JPEG is lossy; at the default setting the difference is hard to see. Choose 95 if it matters.

Why is the first one slow in Chrome?

Chrome has no HEIC decoder, so the page loads one the first time — about 3 MB, once.

Size & format — Make your images fit.

HEIC to JPG

Your iPhone saves HEIC. Half the internet wants JPG. This converts them here, on your device, in batches.

Works in Chrome, Firefox, Edge and Safari.
Strip the GPS in the same pass — iPhone photos record where they were taken unless you’ve turned it off.
Drop a batch, get a ZIP.

Everything on this page runs on your device. Nothing you drop here is uploaded.

Is quality lost?: JPEG is lossy; at the default setting the difference is hard to see. Choose 95 if it matters.
Why is the first one slow in Chrome?: Chrome has no HEIC decoder, so the page loads one the first time — about 3 MB, once.