Compress an image to 20 KB

Target 20 KB by default for small signature and thumbnail uploads, using JPG quality search and resizing. Your image stays on your device.

FAQ

How is the limit measured?

The default ceiling is 20 × 1024 bytes; change the target to match your form.

Will dimensions stay the same?

Quality is reduced first, then dimensions progressively shrink if needed.

Is the target guaranteed?

The best result within the limit is kept. If even the smallest result exceeds it, an error is shown and no download is offered.