Signature resizer
Set exact dimensions and a file-size limit for your signature image. Your image stays in your browser.
Signature resizer
JPG quality 98%. Valid file padding reaches the minimum byte size; pixels stay unchanged.
Compare original
Official size instructions · checked 2026-10-26. 140 × 60 pixels is preferred in the cited instructions. Check your form instructions.
1 KB = 1,000 bytes. Preset range: 10,240–20,000 bytes. The signature keeps its proportions.
Ink, crop and padding
Increase to clear shadows; decrease to keep faint strokes.
How to resize a signature image
Choose a preset or enter the required width and height in pixels. Select JPG or PNG and set the maximum file size in KB. Check the resulting dimensions and byte count before downloading.
The image fits inside the requested canvas without stretching the pen strokes. If the paper needs cleaning first, use the signature background remover.
Your image stays on this device
Processing and export run in your browser. This tool does not upload your signature image.