Images straight from a camera or phone are often 4000 pixels wide or more, far bigger than any screen, email or web page needs. Resizing them is the fastest way to cut their weight. Drop your images, choose the new size and download them: each one keeps its format and its proportions.
How to resize images
- Drop your images in the box above, or click to pick them. You can add as many as you like, and mix formats.
- Choose the new size: a percentage of the original (50% by default), an exact width or an exact height. Click More Sizes to get several versions of each image at once.
- Optional: open Advanced Settings to change the output format. By default each image keeps its own format.
- Click Start Resizing, then download each file or all of them at once. Nothing is uploaded: everything runs in your browser.
Resize by percentage, width or height
A percentage is ideal for a batch of mixed images: every one shrinks by the same amount. An exact width is what you need for a website column, a blog template or a marketplace that asks for 1200 pixels wide. An exact height works for banners and thumbnail strips. The other side is always calculated for you, so nothing gets stretched or squashed.
Frequently asked questions
Can I make an image bigger?
No. The resizer never upscales: if you ask for a size larger than the original, the image keeps its original size. Enlarging an image only adds blur, not detail.
Which format do I get back?
The same as the original: JPG stays JPG, PNG stays PNG, WebP stays WebP and AVIF stays AVIF. Formats we cannot create, like GIF, are saved as WebP (only the first frame of an animation is kept). You can pick other formats under Advanced Settings.
Are my images uploaded?
No. Resizing runs entirely in your browser, on your device. Your images are never uploaded to a server, so this works for private and confidential files too.