Image Resizer
Resize to exact dimensions.
Image Resizer at a glance
Image Resizer is a free online image tool you can use right now to resize to exact dimensions — no account, no install and no usage limit. It runs entirely inside your browser, so whatever you enter stays on your own device.
- Price
- Free — no trial, no paid tier, no watermark
- Sign-up
- Not required
- Where it runs
- In your browser — nothing is uploaded to a server
- Works on
- Chrome, Safari, Firefox and Edge — desktop, tablet and phone
- Category
- Image Tools
Choose an image. Resizing happens in your browser.
About Image Resizer
The Image Resizer changes an image's pixel dimensions — to hit an exact upload requirement, to fit a layout, or simply to stop a 4000-pixel-wide camera photo being used where 800 would do. Enter a width or height, keep the aspect ratio locked, and download the result.
Resizing down is safe and often improves quality-per-byte, since you're discarding pixels you weren't displaying anyway. Resizing up is a different matter: enlarging can't invent detail that was never captured, so a small image scaled up will look soft no matter what tool does it. Start from the largest original you have.
Handy for profile pictures with a fixed size requirement, product photos that need consistent dimensions, and shrinking camera images before putting them on a website.
How to use Image Resizer
- Upload your image.
- Enter the width or height you need — leave the ratio locked to avoid distortion.
- Download the resized image.
Frequently asked questions
Will resizing distort my image?
Not if you keep the aspect ratio locked — set one dimension and the other follows. Unlock it only when you deliberately need a fixed non-proportional size.
Can I make a small image bigger without losing quality?
Not really. Enlarging stretches existing pixels and can't recover detail that was never in the file, so the result looks soft. Always start from the largest original available.
What's the difference between resizing and compressing?
Resizing changes how many pixels the image has. Compressing keeps the pixel count and reduces the data used to store them. For a smaller file, resizing down first and then compressing gives the best result.