OnliKit

Resize Image

Resize by pixels, percent, or social presets

Use Resize Image free in your browser. Free online image resizer. Set exact width and height, scale by percent, lock aspect ratio, or use Instagram, Twitter, and YouTube presets — browser-only, no signup.

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What you can do with Resize Image

Resize Image on OnliKit is a free browser tool for everyday work — resize by pixels, percent, or social presets. Use it when you need a quick result without installing software or creating an account.

  • Resize to exact pixels or a percentage scale.
  • Lock aspect ratio to avoid stretching.
  • One-click social presets (IG, X, LinkedIn, YouTube).
  • Batch resize and ZIP download.

Why use Resize Image?

Prepare photos for profiles, banners, and uploads that enforce max dimensions without desktop editors.

How to use Resize Image

  1. 01Upload one or more images.
  2. 02Pick a preset or enter width, height, or percent.
  3. 03Download the resized output.

Frequently asked questions

Can I keep aspect ratio?

Yes. Enable lock aspect and change one side — the other updates automatically.

Related tools

After you finish with Resize Image, try these related OnliKit tools — or browse all tools.

Also see more image tools.