Handwriting Ink Contrast Booster
Bleach shadowed paper backgrounds and strengthen handwriting or stamp ink in PDF pages, locally in your browser.
PDF file
Upload a scanned or photographed handwriting PDF, choose pages, then enhance ink contrast.
Enhancement
Preview uses the same PDF output logic as final processing.
Bleach bright background and boost mixed handwriting.
Higher values bleach more paper shadow and light background noise.
Download appears after processing. Selected pages become raster pages; unselected pages are copied unchanged.
Preview
First selected page, generated from final output logic.
Upload PDF dan pilih halaman untuk melihat preview.