How to Resize an image

Resize images to exact pixel dimensions or by percentage. Maintain aspect ratio, set maximum width or height, and download the resized file.

4 min read Image Resizer Free, no signup required

Quick start

Image Resizer — Resize images to exact pixel dimensions or by percentage.

Get started in under two minutes:

  1. Upload your image
  2. Review and adjust settings
  3. Review the output
  4. Download the image
Open Image Resizer

Step-by-step instructions

Follow these steps to get the best results from Image Resizer:

1

Upload your image

Click the upload area or drag and drop your image. Supported formats include JPG, PNG, and WebP.

Tip: The original file is not modified. All changes are applied to the downloaded copy only.
2

Review and adjust settings

Use the settings panel to refine the output. Image Resizer lets you resize images to exact pixel dimensions or by percentage.

Tip: Most settings work well at their defaults — only adjust when you need specific output.
3

Review the output

Check the result against what you expected. Look for any errors or unexpected output.

Tip: Verify the result before using it in production.
4

Download the image

Click the Download button to save the result to your device.

Tip: Open the downloaded file immediately to verify it is correct before deleting the original.
Open Image Resizer

Frequently asked questions

Is Image Resizer free to use?

Yes — Image Resizer is completely free with no account or signup required. All core features are available immediately.

Which image formats are supported?

JPG, PNG, WebP, and GIF are the most widely supported formats. The exact input and output formats depend on the operation.

Does Image Resizer work on mobile devices?

Yes — Image Resizer works on smartphones and tablets through any modern mobile browser. The interface adapts to smaller screens automatically.

Ready to resize an image?

Image Resizer is free to use. No account or signup required.

Open Image Resizer