How do I change picture size in iPhone camera?

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Taking high-quality photos with your iPhone is easy, but sometimes you may want to adjust the photo size to save storage space or meet specific requirements. The iPhone camera offers different resolution and aspect ratio settings, allowing you to customize your images. In this guide, we’ll explain how to change the photo size on your iPhone, including adjusting resolution, aspect ratio, and file format. Whether you need smaller images for social media or high-resolution shots for printing, these steps will help you optimize your photos efficiently.

• Read also: How to change font and increase font size on iPhone?

Method 1: Changing the Aspect Ratio

The iPhone allows you to switch between different aspect ratios (e.g., square, 4:3, or 16:9) before taking a photo.

Steps:

1. Open the Camera app on your iPhone.

2. Swipe up or tap the arrow (↑) at the top of the screen to reveal additional settings.

3. Tap the aspect ratio icon (e.g., "4:3" or "16:9") at the top.

4. Choose your preferred ratio:

   • 4:3 (Default) – Best for most photos (highest resolution).

   • 16:9 – Wider format, good for landscapes.

   • Square (1:1) – Ideal for Instagram posts.

Note: Changing the aspect ratio does not reduce file size but alters the dimensions of the photo.

Method 2: Using HEIF/HEVC for Smaller File Sizes

iPhones support HEIF/HEVC (High-Efficiency Image Format), which reduces file sizes without losing quality.

Steps to Enable HEIF:

1. Go to Settings > Camera > Formats.

2. Select High Efficiency (HEIF/HEVC) instead of Most Compatible (JPEG).

3. New photos will now take up less storage while maintaining quality.

Note: Some older devices or apps may not support HEIF, so JPEG is more universally compatible.

Method 3: Reducing Resolution (iPhone Pro Models)

If you have an iPhone 12 Pro or later, you can manually lower the resolution for smaller file sizes.

Steps:

1. Open Settings > Camera > Record Video / Record Slo-mo.

2. Under Camera Resolution, choose a lower MP (megapixel) setting.

   • 12MP (Default) – Best quality.

   • 8MP or lower – Reduces file size.

Method 4: Using Third-Party Apps to Resize Photos

If you need to resize an existing photo, use apps like:

• Photos (Built-in Crop Tool)

• Snapseed

• Adobe Lightroom

Steps (Using iPhone Photos App):

1. Open Photos and select an image.

2. Tap Edit > Crop (⤢ icon).

3. Adjust dimensions manually or choose a preset ratio.

4. Tap Done to save.

Conclusion

Changing photo size on an iPhone can help optimize storage and meet different sharing needs. You can adjust the aspect ratio before shooting, switch to HEIF format for smaller files, lower resolution (on Pro models), or use editing apps to resize later. Experiment with these methods to find the best balance between quality and file size for your needs.