AI Image Tools

Resize Image Tool

Resize JPG, PNG, and WebP images online for free. Change width and height directly in your browser with no upload required.

Last updated: 2026-04-13

What is Resize Image Tool?

This free image resizer lets you change the width and height of JPG, PNG, and WebP images directly in your browser. It is useful for blog images, product images, social media posts, banners, and other web graphics. Since everything is processed locally, your files are not uploaded to an external server.

Where Resize Image Tool fits best

Resize Image Tool is part of the image-preparation stage. It is most useful when you need to adjust how an image looks or behaves before publishing, sharing, or continuing with another step.

These small edits matter more than they look. A quick resize, crop, or cleanup step often makes the final file much easier to use.

A simple editing workflow

It usually helps to make visual changes first and worry about final file size or format afterward.

Keeping the original untouched and working from copies gives you a safer workflow when you are preparing multiple versions.

Helpful reminders

  • Check whether the destination has dimension or file-size limits before you start.
  • If you plan to do more than one edit, visual cleanup usually comes before compression or format conversion.
  • Keep the original image untouched so you can reuse it later.
  • Review the final result on the type of screen where people will actually see it.

How this tool fits the workflow

Best use case
This tool is most useful during image preparation, especially before publishing, sharing, or packaging a final version.
Typical next step
After this step, users often continue with Image Compressor or Crop Image.
Main caution
Some edits are hard to undo, so keeping the original image separately is still the safest option.
Recommended approach
Start with the final destination in mind, make only the edits you need, and optimize the finished copy last.

How to Use

  1. Upload an image file
  2. Enter the width and height you want
  3. Choose whether to keep the aspect ratio locked
  4. Select an output format if needed
  5. Click Resize Image and download the result

FAQ

Are my images uploaded to a server?

No. Everything is processed locally in your browser, so your files are not uploaded to an external server.

Can I keep the aspect ratio?

Yes. When aspect ratio lock is enabled, changing width or height will automatically adjust the other value.

Which output formats are supported?

You can keep the original format or export as JPG, PNG, or WebP.

Does it work on mobile devices?

Yes. It works on phones, tablets, and desktop browsers that support modern web features.

Related tools for the next step

Image CompressorCrop ImageRotate ImageFlip Image