ResizeWizard
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Your image stays on your device. ResizeWizard edits with browser APIs where possible.

Resize Image

Resize an image by exact width and height in pixels, with an optional fixed aspect ratio.

Start editingTools

Resize

Change width and height

Upload an image to start editing privately in your browser.

How to use this resize image tool

  1. Upload the image that needs new dimensions.
  2. Enter the required width and height in pixels.
  3. Keep the aspect ratio fixed to avoid stretching, or unlock it only when exact dimensions matter more than proportions.
  4. Resize, inspect the output dimensions, and download the finished file.

Check the result before downloading

  • The output width and height match the destination requirement.
  • Faces, logos, and text are not stretched.
  • The downloaded format is accepted by the destination.

Useful outcomes

When this dedicated tool is the right choice

Create a file with the width and height you choose while controlling whether the original proportions are preserved.

Profile and avatar sizes

Website and CMS dimensions

Application upload requirements

Presentation and marketplace graphics

Frequently asked questions

Resize Image FAQ

Will resizing make a small image sharper?

No. Enlarging creates more pixels but cannot recreate missing detail. Start with the largest clean source available.

How do I avoid stretching?

Leave the fixed-aspect-ratio control on. If the required shape is different, crop the image instead of forcing it into the new proportions.

Does ResizeWizard upload the image?

No. Supported images are resized locally with browser canvas APIs.

Related tools

Only continue if the image needs another change

This page completes one job. These separate tools are available for a different next step.

English

Crop Image

Crop a photo to custom dimensions or common aspect ratios like 1:1, 4:3, 16:9, and 9:16.

Open dedicated tool English

Convert Image

Convert an image to JPG, PNG, WebP, AVIF, TIFF, or GIF when your browser supports the format.

Open dedicated tool English

Compress Image

Compress an image automatically while keeping a useful balance of clarity and file size.

Open dedicated tool English

Mirror Image

Flip an image horizontally or vertically without uploading it to a server.

Open dedicated tool English

Rotate Image

Rotate an image left, right, 180 degrees, 270 degrees, or by a custom angle.

Open dedicated tool English

Reduce Image Size

Reduce an image to a target file size in KB or MB with honest warnings when the target cannot be met.

Open dedicated tool English

Pixelate Image

Pixelate the whole image or a selected rectangular area with adjustable block size.

Open dedicated tool English

Black and White Image

Convert a photo to grayscale or strict black and white.

Open dedicated tool
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