Resize Image Online Free
Resize JPG, PNG and WebP images online for free. Change width and height, keep aspect ratio, choose the output format and download the resized image directly in your browser.
Resize images without installing software
Upload a JPG, PNG or WebP image, set new dimensions, keep the aspect ratio and export in the format that fits your workflow.
How to Resize an Image
Change image dimensions in three simple steps.
1. Upload image
Select a JPG, PNG or WebP image from your device or drag it into the upload area.
2. Enter new size
Type the new width and height. Keep aspect ratio enabled to preserve proportions.
3. Download image
Choose JPG, PNG or WebP and download the resized image instantly.
Image Optimization Workflow
This image resizer is part of a complete workflow for preparing images for websites, blogs and social content.
Resize Before Compressing
Reduce dimensions first, then compress the image for a smaller final file.
Prepare WebP Images
Use WebP for lighter website images after resizing.
Choose the Right Format
Compare JPG, PNG and WebP before exporting.
Create Social Images
Resize, crop and compress images for posts and thumbnails.
Resize images quickly and keep them sharp.
This online image resizer helps you change image dimensions for websites, email, social media, documents, thumbnails and profile pictures. Resize JPG, PNG and WebP images directly in your browser.
You can set a custom width and height, keep the original aspect ratio to avoid stretching, choose output quality and export in JPG, PNG or WebP.
What is an image resizer?
An image resizer changes the width and height of an image. This is useful when a website, form, profile, email or social media platform requires a specific image size.
Instead of installing editing software, you can upload an image, type the new dimensions and download a resized JPG, PNG or WebP file.
When should you resize images?
- Preparing images for websites or blog posts
- Creating thumbnails or profile pictures
- Changing photo dimensions for forms or portals
- Resizing images for email or social media
- Keeping proportions while reducing image dimensions
Related Image Tools
Continue the image optimization workflow with tools connected to resizing, compression and modern formats.
How to Resize Images Online Without Losing Quality
This guide explains how to resize images correctly, preserve proportions, avoid blurry results and choose the best format for web or social use.
Image Resizer FAQ
Common questions about resizing images online.
How do I resize an image online?
Upload your image, enter the new width and height, choose the output format and click Resize Image.
Can I keep the image proportion?
Yes. Keep aspect ratio enabled and the tool will automatically calculate the matching width or height.
Can I resize JPG, PNG and WebP?
Yes. This tool supports JPG, PNG and WebP images.
Can I choose the output format?
Yes. You can export the resized image as JPG, PNG or WebP.
Should I resize before compressing?
Yes, in many cases. Resizing reduces pixel dimensions first, and compressing after that can create an even smaller final file.
Will resizing reduce image quality?
Resizing changes the image dimensions. Very large reductions can remove detail, while enlarging an image may make it look less sharp.
Are my images uploaded to a server?
No. The image is processed directly in your browser.
Does it work on mobile?
Yes. You can resize images from desktop, tablet and mobile browsers.