HEIC vs JPG: A Practical Comparison
HEIC and JPG both store photos, but they make different trade-offs between file size, quality, and compatibility. Here is what that means in practice.
The basics
JPG (JPEG) is the dominant photo format on the internet. It was standardized in 1992, is supported by every operating system, browser, and application without any special software, and uses a lossy compression algorithm based on discrete cosine transforms (DCT).
HEIC is Apple's default camera format since iOS 11, introduced in 2017. It uses the HEIF container and HEVC (H.265) codec — the same compression technology used for modern video streaming. HEIC is newer, more efficient, and considerably less universal.
File size
HEIC consistently produces smaller files than JPEG at comparable visual quality. Apple states that HEIF photos use roughly half the storage of equivalent JPEGs — a figure supported by independent testing across diverse image content.
In practical terms: a 12 MP iPhone photo that would be around 4–5 MB as a JPEG might be 1.5–2.5 MB as a HEIC. For a camera roll of several thousand photos, the total storage savings are substantial. The advantage is real but not uniform — images with fine texture (hair, foliage, fabric) compress less efficiently than images with large smooth areas.
Image quality
Both formats are lossy — they discard some image data during compression and cannot be perfectly recovered. HEVC's compression algorithm is more sophisticated than JPEG's, so at the same file size HEIC retains more detail. At the same quality level, HEIC files are smaller.
HEIC also supports 10-bit color depth compared to JPEG's 8-bit, which means smoother gradients and better handling of HDR scenes. HEIC can store HDR tone-map metadata so the image displays correctly on HDR screens. JPEG has no native HDR support.
For everyday sharing and viewing on non-HDR screens, quality differences between a well-encoded HEIC and a high-quality JPEG are subtle and not visible without direct comparison at full resolution.
Platform compatibility
Compatibility is where JPEG wins without contest. The table below reflects support as of mid-2026:
| Platform / Use case | HEIC | JPG |
|---|---|---|
| iPhone / iPad / Mac | Full support | Full support |
| Windows 10 / 11 | Requires Microsoft Store extension | Full support |
| Android (recent) | Varies by device & app | Full support |
| Chrome / Firefox (desktop) | Not supported | Full support |
| Safari (macOS / iOS) | Full support | Full support |
| Online print services | Inconsistent | Universal |
| Website / form uploads | Often rejected | Universal |
| Email attachments (cross-platform) | May not preview | Universal |
Verdict by use case
Use HEIC when: you are keeping photos on your Apple device and storage space matters. HEIC is the right default for the iPhone camera roll — it gives you more photos per gigabyte without perceptible quality loss on Apple hardware.
Convert to JPG when: you need to share a photo with someone on Windows or Android, upload to a website, submit to a print service, or attach to an email where you do not know the recipient's platform. JPG is the safest choice for broad compatibility.
Use PNG instead of JPG when: you need lossless output — screenshots with text, product images for an online store, or any photo that will be edited again. PNG avoids the re-encoding quality cost of JPG.
How to convert HEIC to JPG
The fastest method that requires no software installation is to use HEIC Fox. Drop your HEIC files into the converter, select JPG as the output format, and download the results. Everything runs in your browser — your photos are never sent to a server.
For batch conversions — an entire camera roll, for example — HEIC Fox handles multiple files at once without any file count limits or size restrictions. You can also convert to PNG if you prefer a lossless output format.
On Mac, the Photos app exports HEIC as JPEG via File → Export → Export [n] Photos with Kind set to JPEG. On iPhone, switching to Settings → Camera → Formats → Most Compatible makes the camera shoot JPEG going forward, though it does not retroactively convert existing HEIC photos.
Frequently asked questions
Is HEIC better quality than JPG?
At the same file size, HEIC preserves more image detail than JPG because its HEVC compression algorithm is more efficient. At typical viewing sizes the difference is subtle, but it becomes visible in large prints or when heavily zooming in. HEIC also supports 10-bit color and HDR metadata, which JPEG does not.
Why is HEIC not universally supported like JPG?
JPEG has been a royalty-free standard since the early 1990s and is baked into virtually every platform and application. HEIF/HEVC involves patent licensing, which slowed adoption on non-Apple platforms. Many services and applications only added HEIC support in recent years, and some still have not.
Should I convert my HEIC photos to JPG?
Convert when you need to share broadly — email to Windows or Android users, upload to websites, send to print services, or hand files to anyone outside the Apple ecosystem. Keep HEIC for photos stored within your Apple devices, where the smaller file size saves storage without any compatibility cost.
Does converting HEIC to JPG reduce quality?
There is a small quality cost when you convert HEIC to JPG, because JPG re-encodes the image with its own lossy compression. At high JPG quality settings (85-95%), the difference is not visible in typical use. If lossless output is important, convert to PNG instead.
What file size difference should I expect between HEIC and JPG?
On average, a HEIC photo from an iPhone is roughly 40–50% smaller than a JPG of the same scene at comparable quality. Actual results vary by image content: photos with fine detail (foliage, fabric) compress less than smooth scenes (blue sky, skin tones). The HEIC advantage is consistent but the exact ratio differs per image.