DB Labs
HEIC vs JPEG on iPhone: Which Photo Format Is Better?
Your iPhone can shoot in two formats: HEIC (High Efficiency) and JPEG (Most Compatible). One saves space, the other works everywhere. Here is the complete comparison.
Head-to-Head Comparison
| Feature | HEIC | JPEG |
|---|---|---|
| File size (48MP) | ~3-5 MB | ~7-10 MB |
| Visual quality | Excellent (10-bit color) | Good (8-bit color) |
| Color depth | 10-bit (1.07 billion colors) | 8-bit (16.7 million colors) |
| Transparency | Supported | Not supported |
| Image sequences | Supported (Live Photos) | Not supported |
| Compression | HEVC (H.265) -- more efficient | DCT-based -- older standard |
| iPhone compatibility | iPhone 7 and later | All iPhones |
| macOS support | macOS High Sierra+ (2017) | All versions |
| Windows support | Windows 10 (2018+) with HEVC codec | All versions natively |
| Web browser support | Safari, Chrome (2023+), Edge | All browsers |
| Social media | Auto-converted to JPEG on upload | Native support everywhere |
| Print services | Increasingly supported | Universal support |
Storage Savings: The Numbers
The primary advantage of HEIC is storage efficiency. Here is how much space you save at different library sizes:
| Photo Library Size | HEIC Storage | JPEG Storage | Savings |
|---|---|---|---|
| 1,000 photos | ~4 GB | ~8 GB | ~4 GB saved |
| 5,000 photos | ~20 GB | ~40 GB | ~20 GB saved |
| 10,000 photos | ~40 GB | ~80 GB | ~40 GB saved |
| 25,000 photos | ~100 GB | ~200 GB | ~100 GB saved |
HEIC Pros and Cons
Pros
- 40-50% smaller files with no visible quality loss -- the biggest practical benefit
- 10-bit color depth captures more subtle gradients, especially in skies, sunsets, and skin tones
- Supports transparency -- useful for stickers, cutouts, and Apple's Visual Look Up feature
- Stores image sequences -- Live Photos use HEIC to store the still frame and video clip together
- Better for editing -- higher bit depth preserves more detail when adjusting exposure, shadows, and color
- Default on iPhone -- Apple chose this format for a reason
Cons
- Compatibility gaps -- older Windows PCs, some Linux distributions, and legacy photo software may not open HEIC files natively
- HEVC codec sometimes required -- Windows users may need to install the free HEVC codec from Microsoft
- Some print services still require JPEG uploads (though this is rapidly changing)
- Slightly more CPU-intensive to decode -- negligible on modern devices but noticeable on very old hardware
JPEG Pros and Cons
Pros
- Universal compatibility -- opens on every device, every operating system, every browser, and every app ever made
- No codec issues -- never need to install anything to view JPEG files
- Industry standard for 30+ years -- every print service, website, and social platform supports JPEG natively
- Simpler workflow -- no conversion needed when transferring to any device
Cons
- Files are roughly 2x larger than HEIC at the same quality level
- 8-bit color only -- fewer colors means more visible banding in gradients
- No transparency support -- cannot store transparent backgrounds
- No image sequences -- cannot store Live Photos as a single file
- Fills storage faster -- you can store half as many photos on the same device
When to Use Each Format
Use HEIC (High Efficiency) when:
You primarily use Apple devices (iPhone, iPad, Mac). You share photos via AirDrop, iMessage, or social media (iOS auto-converts). You want to maximize storage space. You value 10-bit color quality. This is the right choice for 90%+ of iPhone users.
Use JPEG (Most Compatible) when:
You regularly transfer photos to old Windows PCs (pre-2018). You use legacy photo editing software that does not support HEIC. You upload to print services or websites that reject HEIC files. You share photos with Android users who have older devices.
How to Switch Formats on iPhone
To change your iPhone's photo format:
- Open Settings on your iPhone
- Scroll down and tap Camera
- Tap Formats
- Choose High Efficiency (HEIC) or Most Compatible (JPEG)
This only affects new photos. Existing photos remain in whatever format they were taken in. iOS automatically converts HEIC to JPEG when you share photos via email, Messages to non-Apple devices, or most third-party apps.
Save Even More Space: Clean Your Library
Switching to HEIC cuts file sizes in half, but the biggest storage savings come from removing photos you do not need. Blurry shots, duplicate burst photos, old screenshots, and accidental captures waste more space than format choice ever will.
Swype Photo Cleaner lets you quickly review your entire library -- swipe left to delete, right to keep. Combined with HEIC format, this gives you the maximum possible photo storage on your iPhone.
Maximize Your iPhone Photo Storage
HEIC saves space per photo. Swype removes photos you do not need. Together, they free up massive storage.
Download Swype FreeFrequently Asked Questions
Is HEIC better than JPEG for iPhone photos?
Yes, for most users. HEIC produces files roughly 40-50% smaller than JPEG with no visible quality loss. It also supports 10-bit color depth (1.07 billion colors vs JPEG's 16.7 million), transparency, and image sequences for Live Photos. The only advantage of JPEG is universal compatibility with older devices and software. Since iOS automatically converts HEIC to JPEG when sharing to incompatible apps, there is very little practical reason to shoot in JPEG on a modern iPhone.
How much storage does HEIC save compared to JPEG?
HEIC files are approximately 40-50% smaller than equivalent JPEG files. A typical 48MP iPhone photo is about 3-5MB in HEIC versus 7-10MB in JPEG. Over a library of 10,000 photos, this translates to roughly 30-50GB of storage savings. Combined with regular photo cleanup using Swype Photo Cleaner, you can dramatically extend how long your iPhone storage lasts before filling up.
How do I switch between HEIC and JPEG on iPhone?
Go to Settings > Camera > Formats. Choose "High Efficiency" for HEIC or "Most Compatible" for JPEG. This setting only affects new photos taken after the change -- existing photos stay in their original format. The default setting on all modern iPhones is High Efficiency (HEIC). If you switch to JPEG, be aware that your photos will consume roughly twice as much storage space.