Image Resizer
Resize an image to exact pixel dimensions or to a width or height while keeping its proportions. High quality smoothing, processed locally.
Runs on your device
Result
Results appear here after you select “Resize”.
What it does
Set a target width, height or both. With "keep proportions" on, the image is scaled to fit inside the box you give without stretching.
How to use it
- Choose an image.
- Enter the width and/or height in pixels.
- Resize and download.
Example
The example generates a small sample file in your browser and runs the tool on it. Select Try an example above to see it.
When it helps
- Preparing a 1200 × 630 social preview image.
- Making thumbnails.
- Matching avatar size requirements.
Questions
Can I enlarge images?
Yes, but enlarging cannot add detail, so the result will look softer.
What is the maximum size?
Up to 10,000 px on each side, which most browsers can handle.
More image tools
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- Image Filters (Grayscale, Sepia, Invert) Apply grayscale, sepia, invert, brightness or contrast adjustments to an image and download the result. Pixel maths runs entirely in your browser.
- Favicon Generator Create favicon.ico plus 16, 32, 180, 192 and 512 px PNG icons from one square image, with the HTML link tags to paste into your site head.
- Image Colour Palette Extractor Extract the dominant colours from a photo or logo as hex codes with their share of the image, ready to paste into CSS or design tools.
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