Signature Image Resizer
Upload a signature photo, crop it to a bank/exam/form preset or a custom size, clean up the background, then download a sized JPEG or transparent PNG.
Signature Image Resizer
Crop and resize a signature to a bank, exam, or form-ready size
Upload Signature
Output Size
140 x 60 px
140 x 60 px at 10-20 KB is the most common bank/exam spec. Check your specific form and switch preset if it differs.
Background Cleanup
File Size Target (JPEG only)
Crop Position
Drag the box to reposition. Drag a corner to resize while keeping the target ratio.
Sign with dark ink on plain paper and photograph it evenly lit, with no shadow across the signature, for the cleanest background cleanup result.
Upload a signature photo to start cropping
Preview (140 x 60 px)
Summary
Upload a signature photo, crop it to a bank/exam/form preset or a custom size, clean up the background, then download a sized JPEG or transparent PNG.
How it works
- Click the upload zone or drag a signature photo onto it.
- Pick a size preset (bank, exam, form block) or switch to Custom and enter a pixel width and height.
- Drag the crop box to reposition it, or drag a corner to resize while keeping the target ratio.
- Turn on background cleanup to whiten or remove the paper background around the ink.
- Set a target file size range in Output Settings.
- Click "Download Signature" to save a sized JPEG or transparent PNG.
Use cases
- Resize a signature photo to the pixel size a bank account or debit card form requests.
- Fit a signature scan under a specific KB cap for an exam or job application portal.
- Clean a smartphone photo of a signature so the paper background does not show.
- Produce a transparent-background signature PNG to place over a digital document.
- Re-crop an existing signature scan to a different form's aspect ratio.
- Standardize signature size in mm for a printed form at a chosen DPI.
Frequently Asked Questions
Last updated: 2026-07-24 ·
Reviewed by Nham Vu