Image Resizer

Resize any image to the required width and height, whether or not the aspect ratio is preserved

Resize any image to the required width and height, whether or not the aspect ratio is preserved.

What is Online Image Resizer?

Image Resizer is a free online application for resizing images in a variety of formats, including JPG/JPEG, PNG, SVG, and others. If you have a large raw image or an image that is too large for the location where it will be used, you must resize it to improve efficiency. Image resizing is a useful method for optimizing and increasing page load times.

If your design has an avatar section with a pixel size of 100x100, but you have a 300x300 image, you can still use it in that area, but your page load time will be longer. If you use the '100x100px' picture in this space, the page will load significantly faster. A basic image resizing comparison can be found below. By optimizing your image size, you can save roughly 70% in this circumstance.

You can either increase or decrease the size of your image. If you scale down your image, it will always be fine; but, if you scale up your image and utilize it at its full width, you may experience quality concerns. Keep in mind that scaling an image without sacrificing quality necessitates extra effort, and you'll need to employ AI or other methods to fill the interpolated areas.

How to use Online Image Resizer?

Our tool provides two convenient ways to resize your photos:

1. Manual Resizer Tab

Upload your image: Support for JPG, PNG, WebP, and more.
Resize By: Choose between Pixels for exact dimensions or Percentage to scale relative to the original.
Set Dimensions: Enter the required Width and Height.
Maintain Aspect Ratio: Keep this checked to prevent your image from looking stretched or distorted.
Process & Download: Click Resize to see the result, then Download to save it.

The fastest way to resize for social media! Choose from predefined sizes:

Instagram: Square Post (1080px), Story (1080x1920px).
Facebook: Optimized Cover Photo size.
Twitter: Header Image dimensions.
YouTube: Standard 1280x720 Thumbnail size.
Display: Full HD (1080p) and 4K Ultra HD presets.

Why optimize image size?

If your design requires a 100x100px avatar but you use a 3000x3000px raw file, your page will load much slower. Resizing to the exact dimensions needed can save up to 90% in file size, improving user experience and SEO performance.

Note: All image processing is done locally in your browser. We never upload your private photos to our servers.

Credits

jimp: An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.

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