Resize a signature image
Defaults to 140×60 px at 20 KB, the size most application forms ask for. Adjust either if yours differs.
Questions
Why is downscaling not allowed here?
Signature dimensions are usually a hard form requirement — Image KB Reducer pins your exact width and height and reports the closest size it can reach at that size, rather than silently shrinking the signature to hit the byte target.
My signature has a transparent background. Will it come out black?
No. The output is a JPEG, which has no transparency, so Image KB Reducer fills every transparent area with white before encoding — the same white the form expects behind a signature.