Image Resizer Online

Image Resizer

Change the dimensions of your images instantly. Define exact pixels or scale by percentage.

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Click or Drop Image to Resize
New Dimensions (Pixels)

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Why Resize Images?

Resizing an image means changing its pixel dimensions (width and height). This is different from compressing, which reduces file size without changing dimensions.

Common Uses for Resizing:

  • Website Banners: Fitting an image into a specific homepage slider slot.
  • Social Media: Meeting exact requirements for Facebook covers or LinkedIn headers.
  • Email Attachments: Shrinking a massive photo so it can be emailed easily.

Understanding Aspect Ratio

The aspect ratio is the proportional relationship between an image’s width and height. If you change the width without changing the height proportionally, the image will look stretched or squashed. Our tool includes a “Lock Aspect Ratio” feature to automatically calculate the correct height when you enter a new width (and vice-versa), ensuring your image never looks distorted.

Standard Web Dimensions

FormatDimensions (px)
Full HD Video1920 x 1080
Instagram Post (Square)1080 x 1080
Facebook Cover820 x 312

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