Short answer
HEIC is Apple's high-efficiency photo format. It usually stores smaller files than JPG at similar visual quality, but compatibility is weaker outside Apple-first workflows.
HEIC File Format Explained
HEIC is Apple's high-efficiency photo format. It usually stores smaller files than JPG at similar visual quality, but compatibility is weaker outside Apple-first workflows.
Why it matters
- Smaller files than JPG in many photo scenarios
- Better fit for iPhone photo libraries than for mixed-platform sharing
- Often needs conversion before CMS, email, or document upload
What to know
Apple uses HEIC to reduce storage usage on iPhone and iPad while keeping photo quality high.
HEIC is efficient for capture and storage, but many websites, email flows, and Windows apps still expect JPG or PNG.
Converting HEIC to JPG is usually the fastest path when you need universal uploads, form attachments, or easier sharing.