Image Resizer Online

Resize JPG, PNG and WebP images quickly while keeping quality. Your images are processed locally in your browser.

Choose an Image

Choose Image

Width

Height

Keep Aspect Ratio

Output Format

Image Quality

90%

Quick Resize Presets

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About Image Resizer

Image Resizer is a free online tool for changing the width and height of JPG, PNG and WebP images directly in your browser. You can resize images manually or use ready-made dimensions for popular platforms.

How to Resize an Image

Choose an image from your device.
Enter the width or height you need.
Keep Aspect Ratio enabled to preserve the image proportions.
Select JPG, PNG or WebP as the output format.
Adjust image quality if needed.
Click Resize Image and download the result.

Key Features

Resize JPG, PNG and WebP images
Preserve the original aspect ratio
Choose custom width and height
Quick presets for popular social media sizes
Control output format and image quality
Compare the original and resized image
No account or software installation required

Privacy & Security

Your images are processed locally in your browser and are not uploaded to our server. Your files remain on your device while resizing.

Frequently Asked Questions

What is an Image Resizer?

An image resizer changes the width and height of an image while allowing you to control its output format and quality.

Which image formats are supported?

The tool supports JPG, PNG and WebP images.

What does Keep Aspect Ratio do?

It keeps the original proportions of your image so changing one dimension automatically adjusts the other.

Can I use ready-made image sizes?

Yes. Quick presets are available for popular formats including Instagram, YouTube, Facebook, TikTok, LinkedIn and WhatsApp.

Are my images uploaded?

No. Image processing takes place locally in your browser.