Guides to darker, clearer PDFs
Why documents print faint, what can be recovered from a faded scan, and how to get a clean result from the printer you already have.
How to Make a PDF Print Clearly
The whole print chain: file tone, page scaling, driver settings, paper and fonts — and which of them actually decides how clear the result is.
7 min read
How to Increase PDF Contrast
Brightness, contrast, black point, white point and gamma explained with documents in mind — and how to pick the right one for a faint PDF.
7 min read
How to Make a PDF Darker for Printing
A step-by-step walkthrough: darken a PDF, check the result on one page, and set your printer up so the improvement survives the trip to paper.
6 min read
How to Make PDF Text Darker
Making text darker means different things in a digital PDF and a scanned one. Here is what changes in each, and how to keep text sharp and selectable.
6 min read
Why Does My PDF Print Too Light?
The document looks fine on screen and prints faint. Here is what is actually happening, and how to tell whether the file or the printer is at fault.
7 min read
How to Improve Scanned PDF Quality
Most scan quality is decided at capture time. Resolution, colour mode, lighting and compression settings that make every later step easier.
7 min read
How to Clean Up a Scanned PDF
Remove grey backgrounds, speckle, shadows and show-through from scanned PDFs — and keep the faint content you actually wanted.
6 min read
How to Make a Scanned Document More Readable
Readability is more than contrast: resolution, sharpening, colour handling, OCR and accessibility all decide whether a scan is genuinely usable.
8 min read
How to Fix a Faded PDF
Thermal receipts, carbon copies and third-generation photocopies. What can be recovered from a faded document, what cannot, and how to do it safely.
6 min read
How to Darken a Scanned PDF
Scanned pages are images, not text. Here is what that changes, how to darken them properly, and when a rescan will beat any amount of processing.
7 min read