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Image Resizer: Resize Images to Exact Pixels Online

Resize images to exact pixel dimensions or by percentage, keep the aspect ratio, crop to square or social card sizes, and export as JPG, PNG or WebP in your browser.

Drop an image here, paste from the clipboard, or

JPG, PNG, WebP, GIF, BMP or SVG. Files never leave your browser.

How to resize an image

  1. Drop or choose an image.
  2. Type a new width or height. With the link button on, the other side follows to keep the aspect ratio.
  3. Or use a quick size: 25%, 50% or 75%, common web widths, a 1080×1080 square or a 1200×630 social sharing card. Fixed boxes are filled and cropped from the center.
  4. Choose the format and quality, check the new file size, and download.

Good sizes to know

  • 1200×630: Open Graph and link preview images.
  • 1080×1080 and 1080×1350: square and portrait social posts.
  • 1920 px wide: full-width hero images on large screens.
  • 800 px wide: blog images inside a text column.

Shrinking is done in steps with high-quality smoothing, which keeps edges sharper than a single resize. Enlarging cannot add detail, so start from the largest original you have. To cut out part of the picture instead, use crop, rotate & flip.

All processing happens in your browser. Your images are never uploaded to a server, so the tool works with private photos and keeps working offline once the page has loaded.

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