Step by step
- Open this page in Safari on your iPhone and tap the image box.
- Choose Photo Library or Browse to select one or more photos, including HEIC files.
- Keep the suggested settings (72% quality, 2048 px longest side) or lower them for a smaller file.
- Tap Compress and save the smaller images to your Files app or Photos.
At a glance
| Situation | Recommended setting | Expected result |
|---|---|---|
| 4 MB iPhone photo for email or WhatsApp | Default (72% quality, 2048 px) | Drops to around 300–600 KB |
| Strict upload limit (around 150 KB) | 60% quality, 1200 px longest side | Lands near 150 KB |
| Multiple photos at once | Batch select in Photo Library | All files compressed together |
| Very large photo (over 50 MP) | Lower longest side first | May take longer on older iPhones |
Where to find it on your device
- iPhone Camera format: Settings > Camera > Formats > Most Compatible (for JPG instead of HEIC)
Related questions
Can I compress HEIC photos on iPhone?
Yes. The tool supports HEIC alongside JPG, PNG, and WebP, so you can shrink iPhone photos without converting them first.
Do I need an iPhone Shortcut to reduce image size?
No. While iOS Shortcuts can resize images, using the browser tool here lets you adjust both quality and longest side with no setup.
Are my iPhone photos uploaded to a server?
No. Compression runs inside Safari using your iPhone's own processor, so your photos stay on your device.
Is there a limit on how many pictures I can compress?
There is no daily limit. You can select multiple photos at once, though very large images over 50 megapixels may be slower on older models.
More questions: compress image
- How to Compress an Image to 100 KB, 50 KB, or 1 MB
- How to Compress an Image Without Losing Quality
- How to Compress an Image Without Changing Dimensions
- How to Compress an Image on Android Without an App
- How to Compress an Image on Windows 10 and 11
- How to Compress an Image on Mac
- How to Compress an Image for WhatsApp
- How to Compress Images for Email
- How to Compress Images for Web Without Losing Quality
- How to Compress Images for Instagram, LinkedIn, and Discord
- How to Compress Images in PowerPoint, Word, and Excel
- How to Compress a PNG Image Without Losing Quality
- How to Compress a WebP Image
- How to Compress an Image in Canva
- Why Won't My Image Compress?
- What Is Image Compression?
Open the full compress image →
Updated November 14, 2026.