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Image Resizer

Resample the source bitmap to the exact requested PNG dimensions. Width and height are independent and can change aspect ratio.

Free to useNo sign-upRuns in your browser
Enter your details

Enter the inputs, then select Process image.

Up to 10 MB; decoded images up to 20 million pixels and 10,000 pixels per side.

Your result
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Result will appear here

How Image Resizer works

Resample the source bitmap to the exact requested PNG dimensions.

Width and height are independent and can change aspect ratio. Output is capped at 20 million pixels. No print-DPI change.

Concept diagram for Image Resizer, showing source image input and the supported output.
Concept diagram; the three operation images are actual browser captures.

How to use Image Resizer

Start with your own input.

Choose source image

Choose a supported local file. Width and height are independent and can change aspect ratio.

Process image
Input and settings
Image Resizer: input and settings in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Set the options

Set output pixel width, output pixel height.

Process image
Tool result
Image Resizer: tool result in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Run and check the output

Select Process image. Review an edited PNG file, then download the result file.

Process image
Review the details
Image Resizer: review the details in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

When to use Image Resizer

Resize an illustration

To resize an illustration, start with source image. Resample the source bitmap to the exact requested PNG dimensions.

Process image
Color and image inputs represented by swatches and a pixel grid.
Start with the design input. Concept illustration.

Create a fixed-size image

To create a fixed-size image, start with source image. Width and height are independent and can change aspect ratio.

Process image
Design samples shown side by side for comparison.
Compare the visual result. Concept illustration.

Prepare a small raster asset

To prepare a small raster asset, start with source image. Review an edited PNG file, then download the result file.

Process image
A visual asset prepared for use in a design workflow.
Prepare a design asset. Concept illustration.

How to read the result

Check what the output means.

An edited PNG file. Resample the source bitmap to the exact requested PNG dimensions.

Width and height are independent and can change aspect ratio. Output is capped at 20 million pixels. No print-DPI change.

Process imageProcess image
Color or image detail reviewed alongside its original input.
Inspect the output. Concept illustration.

Supported input and limits

Check the format before processing.

Width and height are independent and can change aspect ratio. Output is capped at 20 million pixels. No print-DPI change.

Inputs and results are handled in this browser.

Process imageProcess image
Design output inspected before use in a destination layout.
Check the intended use. Concept illustration.

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Process image with your input

Review an edited PNG file, then download the result file.

Process image

Image Resizer: common questions

Answers about using Image Resizer and understanding its results.

What does this tool support?

Width and height are independent and can change aspect ratio. Output is capped at 20 million pixels. No print-DPI change.

Can I save the result?

Yes. Download the result file after processing. Text results also have Copy result. Processing uses local browser code; no account is required.