Image Resizer

Choose an image, set the width, height or percentage, and download the result.

What’s wrong?

Add this calculator to your website or blog

Copy this code and paste it into your page (in the HTML editor). Free, and it adjusts its height automatically.

How to use it

  • By width or height: the other side is calculated to keep the proportions.
  • Exact size: crop to fill, fit with colored padding, or stretch.
  • Quality: 80–90% makes files much smaller with no visible difference.

We downscale in high-quality steps so details stay sharp.

Privacy: your image is processed inside your browser on your device. It is never uploaded to us or anyone else.

Worked example

A 4000×3000 phone photo (about 4 MB) resized to 1200 px wide becomes 1200×900, usually 150–300 KB.

Frequently asked questions

Will quality drop?
Shrinking keeps it sharp; enlarging past the original adds no detail.
What size is a passport photo?
35×45 mm, i.e. 413×531 px at 300 dpi — it is in the preset list.
Does it work with iPhone HEIC photos?
Yes if your browser opens HEIC (e.g. Safari); otherwise convert to JPG first.

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