Compress HEIC to 500KB
Automatically compress any HEIC photo to 500KB or less — great for email and cloud backup.
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How to compress HEIC
- Upload your HEIC (up to 50 MB).
- The compressor automatically targets 500 KB or under.
- Download the compressed HEIC — ready to use.
Quick fact about HEIC
500 KB is generous for HEIC — high-resolution iPhone photos and print preview both fit well. iPhone HEIC photos compressed to 500 KB typically retain 90%+ of their original quality while being 3-5x smaller.
Why compress HEIC?
500 KB is a good target for high-resolution iPhone photos that still need to be a manageable size. Modern iPhones produce 2-4 MB HEIC photos — compressing to 500 KB reduces storage use by 75-90% while keeping the photo sharp on screens and acceptable for small prints.
Technical details
| Input format | HEIC, HEIF |
| Output format | HEIC |
| Target size | 500 KB or under |
| Codec | HEVC (H.265) |
| Iteration | Quality auto-tuned until target met |
| Typical quality | 85-92% at 500 KB |
| Transparency | Preserved (rare in HEIC) |
| Max file size | 50 MB per file |
| File retention | Auto-deleted after compression |
How the conversion works
The compressor decodes the HEVC-compressed HEIC image and re-encodes it using libheif at a lower quality setting. If the output exceeds 500 KB, it reduces quality (and if necessary, dimensions) until the target is met. At 500 KB, a HEIC is typically 2000-3000px wide with quality 85-92%.
When to compress HEIC
- High-resolution iPhone photo archival.
- Reducing iCloud storage usage.
- Preparing HEIC photos for portfolio display.
- Print preview (small format).
- Shrinking an HEIC photo library for backup.
- High-quality web delivery (when quality matters more than speed).
- Any platform with a 500 KB HEIC limit.
Quality considerations
500 KB is high-quality for HEIC — iPhone photos look essentially identical to the original on screens. Expect 2000-3000px wide with quality 85-92%. Great for archival, portfolio, and small-format print.
Limitations and caveats
- 500 KB is larger than ideal for web performance.
- Not ideal for very large-format prints.
- HDR metadata may be lost at lower quality settings.
- For web use, 100-200 KB is usually sufficient.
- For maximum quality, use the 1 MB variant.
Compatibility
- Compressed HEIC opens natively on iOS 11+, iPadOS, macOS High Sierra+.
- Windows 10/11 supports HEIC with the free HEIF Image Extensions.
- Syncs with iCloud Photos.
- Accepted by most CMS platforms (with HEIC support).
- Standard HEIC — no special software needed on Apple devices.
Tips for best results
- 500 KB is best for high-resolution photos.
- For web use, 100-200 KB is usually sufficient.
- Resize to the target display size before uploading.
- HEIC opens natively on Apple devices.
- Batch-compress up to 50 MB of HEIC files at once.
Compression levels explained
| Level | Size reduction | Best for |
|---|---|---|
| Auto-target 500 KB | Variable (until 500 KB) | High-res, storage, print preview |
Target a specific file size
Need to hit an exact size? Use our dedicated target-size tools:
Common problems and fixes
- HEIC can't reach 500 KB without quality loss
- For very large originals, resizing may be needed. Use the 1 MB variant for maximum quality.
- Compressed HEIC won't open on Android
- HEIC requires third-party apps on Android. Convert to JPG for cross-platform sharing.
- File is larger than needed for web
- For web use, 100-200 KB is usually sufficient. Use those variants instead.
Frequently asked questions
Explore related tools
Sources and references
Last reviewed: 2026-10-01