Compress Image to KB
Aim for a file-size limit with automatic quality and dimension adjustments.
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 compress image to kb — 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 compress image to kb
- Choose a supported image from your device.
- Set your target in KB and choose an output format.
- Process the image, review the result, and download your copy.
Good to know
Choose JPEG or WebP and a target in KB (1 KB = 1,024 bytes). We try quality changes first, then smaller dimensions. Exact byte sizes are not guaranteed.
Processed downloads may not preserve original metadata. Your original file stays unchanged.
A few useful answers
What if my target cannot be reached?
We return the smallest result found within a fixed attempt limit and clearly report that the target was not reached.
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.