These Two PDFs Look Identical. They Are Not the Same Print Job.
Why visual equivalence does not prove production equivalence in PDFs—and how to compare the properties a print workflow depends on.
Blog
Technical insights and deep dives into PDF editing, document processing, and the PDFDancer API.
How to Change an Approved PDF Without Breaking Production
A practical model for verifying content, geometry, and production after an automated edit.
PDF Font Hell — Why Swapping Fonts in PDF Breaks Everything
You swap one font for another and everything breaks — overflow, question marks, wrong spacing. Why you can't just change the font in a PDF, and how to fix it.
Introducing Image Transforms
Scale, rotate, crop, and transform images inside your PDFs with a single line of code. Now available in Python, TypeScript, and Java SDKs.
Why is PDF so hard to edit?
A deep dive into how PDFs represent text internally, why 'just replacing a word' breaks layouts, and how semantic reconstruction enables reliable PDF editing.