Counting the pages of a PDF
pagecount is a small open-source program that prints the number of pages in a PDF. When it cannot be sure of the number,…
Why redacted PDFs leak
A redacted PDF is a file someone has drawn black boxes on and sent out. Nobody checks what is under the boxes, because…
The Cognitive Origin of Documents
Writing was shaped by the human visual system. Over five thousand years, scripts and then page layouts kept the shapes…
The Local-First Appliance Model
We build document tools that run on your own hardware. You buy the software once, you run it yourself, and your files…
