Image / No account needed
Resize Image to 20KB Online
Resize an image to 20KB or compress a photo for an upload form with a 20KB limit. This preset adjusts quality and, when needed, dimensions to fit the target. Preview the result before using it.
JPG, PNG or WebP · Up to 20MB · JPEG output with a white background
Small file limits need a smaller image
A 20KB budget is tight for a full-size photograph. This preset starts with a maximum side of 1,200 pixels and reduces dimensions when quality changes alone are insufficient. If a form also specifies minimum dimensions, compare those requirements with the output.
What happens to transparent images?
The output is a JPEG with a white background. Transparent PNG and WebP pixels are flattened. Keep your original if you need transparency or high-resolution printing.
A few things worth knowing
Is the output exactly 20KB?
The tool aims for at most 20,000 bytes. A smaller result is normal. The actual size and whether the target was met are shown before download.
Will resizing to 20KB affect readability?
It can. Inspect small text, signatures and facial details in the preview. A strict size limit may require a smaller image or lower quality.