Since iOS 11 (2017), iPhones save photos as HEIC — 50% smaller than JPG but doesn't open on Windows, WhatsApp, many older apps. This is the definitive fix.
Why HEIC?
HEIC compresses 50% better than JPG. Problem: Windows, old Androids, many web apps don't support it.
3 fixes
1. iPhone setting
Settings → Camera → Formats → Most Compatible. Saves JPG instead.
2. Online convert (recommended)
3. Desktop apps
Photos (Mac), CopyTrans HEIC (PC).
4 steps
- Open TaoClip Converter.
- Drag HEIC files (up to 30).
- Pick JPG / PNG / WEBP.
- Click Convert → .zip.