Image Resizer
Set exact image dimensions, with your aspect ratio preserved by default.
Drop a file here, or browse your device.
JPG, PNG & WebP · Up to 25 MB · 24 megapixelsChoose an image to get started.
A little less size.
A lot more possibility.
Original
Your result
Ready to saveFree and private by design: your images are processed locally in your browser and are never uploaded.
A free, private image resizer — no image uploads.
ImageMon runs this tool for free in your browser. Your image is not sent to our servers, a third-party API, or cloud storage. When you download a result, it is created directly on your device.
How to use image resizer
- Choose a supported image from your device.
- Adjust the available settings and check the output format.
- Process the image, review the result, and download your copy.
Good to know
Keep the aspect ratio locked to avoid stretching. Unlock it for exact dimensions. Enlarging an image increases its size but does not restore missing detail.
Processed downloads may not preserve original metadata. Your original file stays unchanged.
A few useful answers
Can I change just the width?
Yes. With the aspect ratio locked, the height updates automatically.
Is this a private image tool?
Yes. Your image is processed on your device using your browser. There are no image uploads, accounts, cloud storage, or remote processing services.