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Image Resizer

Resize images to exact pixel dimensions or by percentage.

Runs in your browser
Choose an image to resizeDrag and drop, or click to browse

Resizing happens entirely inside this browser tab.

About the Image Resizer

Platforms are fussy about pixels. Avatars want squares, banners want wide strips, forums cap width, and print work needs a minimum size. This resizer scales your image to precise dimensions, with an optional aspect-ratio lock so nothing looks stretched.

You can work in absolute pixels when a specification is given to you, or in percentages when you simply need something roughly half the size.

How to use the Image Resizer

  1. 1Upload the image you want to resize.
  2. 2Read the original dimensions shown above the fields.
  3. 3Enter a new width or height, or switch to percentage mode.
  4. 4Keep the ratio locked unless you intentionally want to distort the image.
  5. 5Press Resize, review the preview, then download the result.

Features

  • Pixel and percentage resize modes
  • Aspect-ratio lock that fills the second dimension automatically
  • High-quality smoothing when scaling down
  • Output as JPG, PNG or WebP
  • New dimensions and file size reported before download

Why people use it

  • Meet exact platform requirements the first time.
  • Cut file size dramatically by removing pixels you never display.
  • Standardise a set of images to one width for a tidy layout.

Common use cases

  • Creating a 400 by 400 pixel profile picture.
  • Scaling a camera photo down to 1600 pixels wide for a blog post.
  • Preparing a header image to a designer's exact specification.

Privacy and your data

Resizing is done on a canvas inside this page. Your image is not uploaded at any point.

Frequently asked questions

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