iPhones save photos as HEIC, which many websites and Windows apps can't open. Convert them to JPG on your device using the open-source libheif decoder — nothing is uploaded.
Free, no sign-up Runs in your browser
Up to 30 files, 30 MB each.
92% keeps almost all detail; lower makes smaller files.
Each JPG or a ZIP.
After the decoder has loaded once, yes.
No. Converted JPGs don't include the original metadata.
Yes, choose PNG output — files will be much larger.
Drop HEIC photos here
or
Processed on your device — never uploaded. Up to 30 files.
The HEIC decoder (open-source libheif, about 1.5 MB) downloads the first time you convert. Your photos never leave your device.