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compyimage.

Resize Image

Change image dimensions by exact pixels, percentage, or social media aspect presets.

Drop an image, or click to browse

Supports JPG, PNG, WebP, AVIF, and HEIC up to 40MP. Processed 100% on your device.

Select image

How it works

Step 1

Load image

Open the image you want to scale.

Step 2

Set dimensions

Input target width, height, scale percentage, or select a social preset.

Step 3

Download resized image

Export the resized photo in your preferred format.

Frequently asked questions

Does resizing an image maintain aspect ratio?

Yes, aspect ratio lock is enabled by default so your image will scale proportionally without stretching.

What resampling algorithm is used?

High-quality multi-pass interpolation runs in a Web Worker to produce crisp edges and smooth downscaling.

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