Resize Image to 1284×2778 for Mobile iPhone
Resize your image to exactly 1284×2778 pixels using this free online tool. No signup required — upload and download instantly. Ideal for mobile, iphone use cases.
Quick Answer
To resize an image to 1284×2778 pixels, upload your image, set the dimensions to 1284 by 2778, and download the resized file.
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About 1284×2778
1284×2778 is the native resolution for iPhone 13 Pro Max and iPhone 14 Plus. Use this for high-fidelity app mockups and screenshots targeting Apple's largest displays.
Common Uses for 1284×2778 Images
This is a portrait format image (1284:2778 aspect ratio).
Mobile Stories and Reels
Instagram Stories, TikTok videos, YouTube Shorts, and Snapchat all use vertical portrait formats. A 1284×2778 image fills mobile screens edge-to-edge for maximum visual engagement.
Pinterest Pins
Tall portrait images at 1284×2778 perform exceptionally well on Pinterest. The vertical format takes up more screen space in the feed, increasing click-through rates compared to square or landscape pins.
Mobile App Splash Screens
App loading screens and onboarding graphics use portrait orientation to match the device orientation. A 1284×2778 image covers the full screen on modern smartphones.
Poster and Flyer Design
Portrait format at 1284×2778 is ideal for event posters, promotional flyers, and signage. This orientation accommodates headlines, body text, and imagery in a natural reading flow.
Related Sizes
How to Resize an Image to 1284×2778
- Upload your image by dragging it into the tool or clicking the upload area.
- Enter the target dimensions (1284×2778).
- Click the resize button to process the image.
- Download the resized image to your device.
What is 1284×2778 resolution
1284×2778 pixels is an image dimension with a portrait aspect ratio, widely used for web graphics, presentations, and digital media.
Frequently Asked Questions
- Why resize to 1284×2778?
- 1284×2778 pixels is a standard size for mobile, iphone content. Using the correct dimensions avoids unexpected cropping or stretching on the target platform.
- Does resizing reduce image quality?
- Downscaling generally preserves quality. Enlarging a small image can cause blurriness. Start with the highest resolution source image available for best results.
- Are images uploaded to a server?
- No. All processing happens entirely in your browser using the Canvas API. Your images never leave your device, ensuring complete privacy.
- How do CSS pixels differ from actual pixels?
- Modern phones use 2× or 3× pixel density. CSS pixels are logical units; the actual display has 2-3× more physical pixels. Design at the physical resolution for crisp, Retina-quality images.
- Is this tool free to use?
- Yes, completely free with no signup, watermarks, or usage limits.
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