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.
How 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 readGuidesHow to Create a Clickable Table of Contents in a PDF
Turn a long PDF into a document readers can actually navigate. Build a clickable table of contents with bookmarks and page numbers, entirely in your browser.
Aug 9, 2026 · 6 min readGuidesFrom photo to document: why your scanned PDF looks wrong
Grey paper, shadows, faded text. What actually happens to a photo of a document, and how the new files.co scanning tool fixes it.
Aug 9, 2026 · 4 min readNo spam. Just PDF craft.
Once in a while, a useful note on PDFs and privacy.