Image Resizer

Resize images to exact pixel dimensions with optional aspect-ratio lock.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Image Resizer

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Drop your image onto the zone.

  2. 2

    Step 2. Enter the target width and height in pixels.

  3. 3

    Step 3. Toggle “Lock aspect ratio” to scale proportionally (default on).

  4. 4

    Step 4. Choose an output format and click “Resize & download”.

Why use this tool

Frequently asked questions

Everything you might want to know about image resizer.