How to use Compress Image to 100 KB

The short answer

To compress an image to 100 KB, choose a JPG, PNG or WebP photo: ClickZM lowers the JPEG quality step by step, and the dimensions only if needed, until the file is 100 KB or smaller, and shows the result before you download it. The photo never leaves your browser.

It runs in your browser. What you enter is not uploaded.

How to use it

Choose your file with the upload box above, or drag and drop it onto the box.

Adjust the options; the preview updates as you change them.

Click the main button to process the file in your browser.

Download the result. Your original file is never changed or uploaded.

Limits worth knowing

Why do exam and government forms ask for a photo under 100 KB? Online application portals cap photo and signature uploads to keep their servers fast. Compress the photo to 100 KB here, check the preview is still clear, and upload it.

Will the photo lose quality? A little: the tool keeps the highest JPEG quality that fits in 100 KB and only reduces the width and height if quality alone is not enough. Faces and text stay readable at typical form sizes.

Can I compress a signature or a scanned document to 100 KB? Yes. Scan or photograph it on a plain background, crop away the empty edges first, then compress it to 100 KB.

Is my photo uploaded? No. It is compressed in your browser and never sent to a server.