Image Resizer

Change your image dimensions in pixels or percent.

Drop an image here, or

What is this tool?

Change image dimensions by pixels or percentage, with optional aspect-ratio lock. Resizing is the most effective way to reduce file size when an image is larger than needed.

How to use it

  1. 1
    Upload an image.
  2. 2
    Enter width/height in pixels or percent, lock ratio if desired.
  3. 3
    Download the resized image.

Key features

Supported formats

Input: JPG, PNG, WebP. Output: same format.

Good to know

Upscaling reduces sharpness; the tool cannot add detail that is not there.

Frequently asked questions

Should I resize or compress?

If the image is larger than needed, resize first — it reduces file size far more than compression alone.

Does resizing preserve quality?

Downscaling preserves quality well; upscaling always softens the image.

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