drawUpload fix
Signature Rejected Fix: Diagnose & Recover
If the portal says your signature is invalid, use this diagnostic funnel to identify the exact cause, fix it instantly, and validate the final file before your next upload attempt.
health_and_safety1. Diagnosis (Why was it rejected?)
Quick answer
Typical size
10KB to 20KB
Common dimensions
140 x 60 px
Preferred format
JPG / JPEG
Best source
Black ink on white paper
build2. Fix (The right tool for your problem)
Problem: File size too largeUse the Exact KB Compressor to target 20KB.Problem: Faint or grey signatureUse the Contrast Enhancer to darken ink and whiten the paper.Problem: Wrong dimensionsUse the 140x60 Signature Maker to crop exactly to required pixels.Problem: PNG or HEIC formatUse the format converter to safely export as JPEG.
verified3. Validator (Don't guess, check)
Before you risk another rejection, run your newly fixed file through our strict validation engine. It checks against exact government specifications.
Best next step
Finish the signature, then check the photo or current exam rules in the same session so the final upload has fewer surprises.