PDFClear

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Remove gray backgrounds from scanned PDFs

Files never leave your device — 100% client-side

Drag & drop PDF files here

or click Browse to select

Ready

Normalize + sigmoid contrast + gamma correction

DPI 200
Only applies to PDF files
JPEG Quality 90

Tự động phát hiện và xoay thẳng trang giấy bị nghiêng

Note: Output PDFs are image-based and typically 5–20× larger than input. Lower DPI or quality to reduce size.
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