Image Resizer

Resize images to custom dimensions or popular presets.

All files are processed in your browser. Nothing is uploaded to any server.

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or .jpg, .jpeg, .png, .webp

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Image Resizer — Custom Dimensions

Resize images to custom dimensions or popular presets. Supports aspect ratio lock and fit modes.

Quick answer: Image Resizer

Image Resizer changes a photo's width and height for web uploads, documents, or social media. Enter target dimensions, keep the aspect ratio when needed, and download the resized image without installing an editor.

Input: An image plus target width and height.
Output: An image with new pixel dimensions.
Know before use: Upscaling cannot create missing detail and may make the result look softer or pixelated.

Want a smaller file? Continue to Image Compressor.

✓100% free, no sign-up required
✓Runs entirely in your browser — no file upload to server
✓Fast processing with instant results
✓Works on desktop and mobile
✓Privacy-first: your data never leaves your device

How to Use

1
Prepare the input
An image plus target width and height.
2
Configure and process
Image Resizer changes a photo's width and height for web uploads, documents, or social media. Enter target dimensions, keep the aspect ratio when needed, and download the resized image without installing an editor.
3
Review the result
An image with new pixel dimensions.

What do I need to use Image Resizer?

An image plus target width and height.

What does Image Resizer produce?

An image with new pixel dimensions.

What are the limitations of Image Resizer?

Upscaling cannot create missing detail and may make the result look softer or pixelated.