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Calciyums

Image Resizer

Resize photos and images by pixels or percent. Your files are processed in your browser and never uploaded.

Files & Images

Options

px
px

Leave empty to work it out from the ratio.

%

For JPG and WebP; PNG is lossless.

Your files are processed in your browser and never uploaded.

Result

Choose files and start; the results will show up here.

How does it work?

Choose or drop your images, enter the width and/or height in pixels (or a percentage) and pick the output format. If you give only the width or only the height, the other is worked out so the picture keeps its proportions. Download the results one by one or as a ZIP.

Formula

New height = Height × New width ÷ Width

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Frequently asked questions

Are my images uploaded anywhere?

No. Resizing happens entirely in your browser; the files never leave your computer or phone.

Are the proportions kept?

With both a width and a height and “Keep the proportions” on, the image is scaled to fit inside that box without distortion. Turn it off to stretch it to exactly that size.

How much can I enlarge an image?

A side can be at most 8192 pixels and the whole image at most 50 megapixels. Enlarging does not add detail; the picture may look soft.

What happens to location and camera data (EXIF)?

Resized files carry no EXIF data (location, camera model and the like), while the photo's orientation is applied correctly. That helps your privacy before you share a picture.