THE FILES.CO JOURNAL
Notes on PDFs, privacy, and standards.
How the tools work, why your files never leave the browser, and the technical detail that matters.
Files.co PDF Suite 1.5.0: ten more tools and signing with your own certificate
Version 1.5.0 is approved on both the Mac App Store and the Microsoft Store. The app goes from 16 tools to 26, all free, and adds signing with the certificate already installed on your machine.
Aug 12, 2026 · 8 min readStandardsWhy you can't work out a PDF's size by adding up its pages
Half the pages doesn't mean half the megabytes. PDFs share fonts and images across pages, so the only honest size is the one you get after saving the file.
Aug 11, 2026 · 5 min readGuidesHow to Merge and Reorder Scanned Pages into One Clean PDF
Your scanner spits out separate files in whatever order the pages fed through. Here's how to merge them and put every page back in the right sequence.
Aug 11, 2026 · 6 min readGuidesPages per sheet: why the print dialog isn't the same as a file
The print dialog can put several pages on a sheet, but it leaves you nothing to keep. Making the montage inside the PDF gives you a file you can send, archive or take to a print shop.
Aug 10, 2026 · 5 min readStandardsPDF/X explained: getting a file ready for a print shop
Sending artwork to a printer? PDF/X is the format that stops nasty surprises. Here's what it is, why printers ask for it, and how to prep the basics in your browser.
Aug 10, 2026 · 5 min readSecurityYou sent the signed form. The person who got it can still change the numbers
A filled PDF form stays editable after you send it, and an altered copy looks exactly as legitimate as yours. Flattening turns a form with answers in it into a document.
Aug 9, 2026 · 5 min readNo spam. Just PDF craft.
Once in a while, a useful note on PDFs and privacy.