Two formats, two priorities
HEIC (High Efficiency Image Container) is Apple's default on many iPhones. JPG is the decades-old standard every app, site, and printer understands.
File size and quality
HEIC typically produces smaller files than JPG at similar visual quality because it uses more efficient compression. That helps storage on mobile devices.
When quality still looks the same
For social posts and email, a well-exported JPG looks nearly identical to HEIC to most viewers — the difference is compatibility, not always visible detail.
Compatibility
JPG works everywhere. HEIC support has improved but you may still hit upload limits on older forms, desktop apps, or messaging tools. Convert before sharing broadly with a HEIC to JPG converter that never uploads your photos.
Batch convert before you send
If you are shipping a set of iPhone shots to a client or print shop, convert the batch locally first so nobody asks for a re-export.
Privacy-friendly conversion
Browser-based HEIC to JPG conversion keeps photos on your device. No cloud upload is required when using local tools like convert HEIC to JPG online.
Practical rule
Keep HEIC in your camera roll; convert to JPG when someone else needs to open the file without special software. Need PNG transparency later? Pair with JPG to PNG after conversion.