Comparison
HEIC vs JPG
One is smaller, the other opens everywhere. Here is how the two formats actually differ — and a simple rule for deciding when to convert.
The short version
HEIC is the newer, more efficient format: the same photo takes roughly half the storage compared to JPG, with equal or better visual quality. JPG is the older, universal format: it has been around since 1992 and every device, app, and upload form on the planet understands it. Neither is "better" outright — they solve different problems.
| HEIC | JPG | |
|---|---|---|
| File size | About half the size of JPG at similar quality | Larger, but predictable and adjustable |
| Compatibility | Apple devices; patchy elsewhere | Opens on virtually everything |
| Upload forms | Often rejected | Accepted almost everywhere |
| Quality | Excellent at small sizes | Excellent at high quality settings |
| Extras | 16-bit color, Live Photos, bursts | None — single image only |
| Best for | Storing photos on iPhone and iCloud | Sharing, uploading, and archiving for compatibility |
Quality and file size in practice
HEIC's advantage comes from HEVC compression — the same technology behind modern video streaming. It preserves fine detail, smooth gradients, and low-light texture at file sizes where JPG would show visible artifacts. That is why Apple could halve photo storage without anyone noticing a quality drop.
JPG closes the gap by simply spending more bytes. A JPG encoded at high quality looks essentially identical to the HEIC original; it is just a larger file. When a JPG needs to be small — say, under an upload form's limit — quality can be traded for size precisely, which is what the compression presets on this site do per file.
A simple rule for choosing
Keep HEIC on your iPhone — it is the better storage format, and your phone handles it natively. Convert to JPG at the moment a photo needs to travel: attaching it to a web form, emailing it to a Windows user, inserting it into a document, or uploading it to a site that rejects HEIC. That way you get HEIC's storage savings and JPG's universal compatibility, each where it matters.
The converter on this site handles that step in your browser: your files are not uploaded to heictoimg.com servers, private metadata such as GPS location is removed automatically, and you can process up to 50 files at once on desktop.