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Compress Image to a target KB
Type the size you need and get the sharpest image that fits. Great for forms, email and WhatsApp.
1Choose your image
2Adjust
3Download
Quick answer: To compress an image to a specific size, choose it, enter the maximum KB (or tap a quick target like 50 KB) and tap Compress. The tool lowers JPEG quality step by step — and only shrinks dimensions if quality alone isn’t enough.
How to use the Compress Image to KB
- Choose your image.
- Tap a quick target (20 KB, 50 KB…) or type a max size.
- Tap “Compress image”.
- Check the new size and Download.
Frequently asked questions
Will compression reduce quality?
A little — JPEG compression removes detail you mostly can’t see. The tool always picks the highest quality that fits your limit.
Why is my PNG converted to JPG?
Target-size compression works with JPEG, which is far smaller for photos. Use the Convert tool if you need PNG or WEBP.
Are my files uploaded to a server?
No. Everything happens inside your browser using your own device. Files are never uploaded, stored or seen by anyone — you can even switch off the internet after the page loads and the tool keeps working.
Is it free? Is there a watermark or limit?
It is completely free with no sign-up, no watermark and no daily limit.
Does it work on mobile?
Yes — it is built for phones first and works in Chrome, Safari, Firefox and Samsung Internet on Android and iPhone.