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    Resize Image to 320×480 for Ad Mobile Interstitial

    Resize your image to exactly 320×480 pixels using this free online tool. No signup required — upload and download instantly. Ideal for ad, mobile interstitial, portrait use cases.

    Quick Answer

    To resize an image to 320×480 pixels, upload your image, set the dimensions to 320 by 480, and download the resized file.

    Target size:320 × 480 px

    Drop image here or click to upload

    JPG, PNG, WebP, or HEIC

    About 320×480

    320×480 is the mobile interstitial ad in portrait mode. Full-screen ads that appear between content pages, driving high engagement.

    Common Uses for 320×480 Images

    This is a portrait format image (320:480 aspect ratio).

    Mobile Stories and Reels

    Instagram Stories, TikTok videos, YouTube Shorts, and Snapchat all use vertical portrait formats. A 320×480 image fills mobile screens edge-to-edge for maximum visual engagement.

    Pinterest Pins

    Tall portrait images at 320×480 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 320×480 image covers the full screen on modern smartphones.

    Poster and Flyer Design

    Portrait format at 320×480 is ideal for event posters, promotional flyers, and signage. This orientation accommodates headlines, body text, and imagery in a natural reading flow.

    Thumbnails and Icons

    At 320×480 pixels, this size is optimized for thumbnails, navigation icons, and small preview images. The compact dimensions ensure fast loading and minimal bandwidth usage across all devices.

    Digital Advertising Creatives

    Ad networks like Google Display and Facebook Ads require exact dimensions. A 320×480 creative meets platform specifications and avoids rejection due to incorrect sizing.

    How to Resize an Image to 320×480

    1. Upload your image by dragging it into the tool or clicking the upload area.
    2. Enter the target dimensions (320×480).
    3. Click the resize button to process the image.
    4. Download the resized image to your device.

    Resize to 480×320 · Compress image to 100KB

    What is 320×480 resolution

    320×480 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 320×480?
    320×480 pixels is a standard size for ad, mobile interstitial, portrait 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.
    What file format works best for ads?
    JPG offers the best file size for photographic ads. PNG is better for graphics with text and sharp edges. Most ad platforms accept both, with a maximum file size of 150 KB–1 MB.
    Is this tool free to use?
    Yes, completely free with no signup, watermarks, or usage limits.

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