74 Stories by Jacob Collins
TL;DR True PDF redaction in Java requires two things: hiding the text visually and removing it from the content stream. This tutorial shows how...
TL;DR The JPedal PDF Viewer can be used to redact text in PDF documents. Select ‘Redact’ from the tools menu and draw a rectangle...
PDF files sometimes contain objects which are never used. This increases the file size and is wasteful. This tutorial shows you how to reduce...
TL;DR Printers operate in CMYK colour space rather than RGB, so adding a CMYK image to a PDF will ensure printing accuracy. The JPedal...
Not all PDFs are created equally. Some go beyond simple visual layouts and include internal tags that describe the document’s structure. These are known...
TL;DR Flattening PDF layers in Java is a way to lock a document’s appearance, ensure cross-device compatibility, and reduce file size by merging optional...
