How to make a scanned PDF easier to read
Diagnose faded text, gray backgrounds, phone shadows, and low contrast scans before choosing rescan, visual cleanup, or OCR.
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Blog
Practical tutorials for scanned PDF cleanup, visual readability, OCR preparation, and choosing the right workflow.
How to remove gray background from a scanned PDF
Reduce copier haze, yellow paper cast, and gray scanner background without washing out thin document lines.
How to darken faded text in a scanned PDF
Darken light photocopies, old typewritten pages, pencil notes, and faded receipts while preserving the page structure.
Why scanned PDFs look gray or washed out
Understand scanner exposure, paper tone, compression, photocopy generation loss, and phone lighting problems.
Scanned PDF vs OCR PDF: what is the difference?
Learn the difference between image-based scanned PDFs and OCR PDFs before choosing cleanup or text extraction.
How to clean old photocopied documents
Clean black borders, copier haze, punched-edge shadows, feeder streaks, fold marks, and dirty photocopied pages.
How to improve scanned receipts and forms
Improve faded thermal receipts, handwritten forms, intake sheets, shadows, wrinkles, smudges, and phone captures.
How to prepare scanned PDFs before OCR
Prepare scanned pages for OCR by improving contrast, reducing gray backgrounds, straightening pages, and reviewing results.
How to fix phone-scanned PDF pages
Fix phone-scanned PDF pages with shadows, angled perspective, blur, curled paper, and uneven lighting.
How to clean scanned tables without changing layout
Clean scanned tables while preserving row alignment, column structure, tiny numbers, grid lines, and handwritten marks.
How to improve old archive document scans
Improve archive scans with yellowing, foxing, water damage, weak type, fold creases, stamps, and fragile old paper.
Best practices for scanning documents before cleanup
Scan documents in a way that reduces shadows, blur, low contrast, gray backgrounds, and cleanup problems later.