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Image Resizer

Image Resizer: Resize images to exact pixel dimensions while keeping control of proportions.
Image Resizer — Resize images to exact pixel dimensions while keeping control of proportions.

Change image width and height with aspect-ratio control.

Use the Image Resizer

Ready. Files are processed locally in your browser.

How to use Image Resizer

Upload an image, enter the target width and height, choose whether to preserve its aspect ratio, and download the resized result.

Supported workflow and limitations

Upscaling cannot restore missing detail. Very large dimensions can use substantial browser memory. Animated image formats may be reduced to a still frame.

Privacy and file handling

Your selected files are processed in your browser. ProTools does not require you to upload them to a document-processing server. Required JavaScript libraries and language data may be downloaded from their respective CDNs. Analytics and advertising are controlled separately by your cookie preferences.

Frequently asked questions

Can I preserve the original proportions?

Yes. Keep the aspect-ratio option enabled and changing one dimension updates the other.

Can I enlarge a small image?

Yes, but upscaling does not create genuine detail and may make the image look softer.

Which output formats are supported?

PNG, JPEG and WebP are supported where the browser canvas encoder supports them.

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