e-Ink Optimizer
Create a high-contrast, monochrome PDF tuned for e-Ink readers. Processing stays local in your browser.
PDF file
Upload a PDF, choose pages, then optimize them for readable black-and-white e-Ink screens.
e-Ink settings
Otsu thresholding removes gray backgrounds. Dilation can make thin strokes darker for e-Ink screens.
0
Keep faint strokesStrip gray background
85%
Generated preview
Preview uses the same output logic on the first selected page.
Upload a PDF and select a page to preview the e-Ink output.