Choose your image
Drop in a JPG, PNG, or WebP from your device.
Reduce JPG, JPEG, PNG, or WebP images to 100 KB or less — privately in your browser.
Drop in a JPG, PNG, or WebP from your device.
Choose a preset or enter the maximum you need.
Get the highest quality found within your size limit.
Fit application and profile upload limits without guessing the file size.
Prepare smaller images for email and everyday sharing.
Keep logos and cutouts transparent with WebP output.
The details that matter before you use ExactKB.
The tool targets 100 KB or less, rather than adding unnecessary bytes to hit an exact number. We use decimal units: 100 KB is 100,000 bytes.
No. Decoding and compression run locally in your browser. Your image is not sent to application servers.
Lossy encoding removes some detail. For very small targets, image dimensions are also reduced. Keep your original if you may need it later.
Yes. Export a PNG as JPEG or WebP. JPEG replaces transparent areas with white; WebP preserves transparency.
It is designed for modern mobile browsers, including Safari. Large images may exceed device memory; try a smaller source if that happens.