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 save a PDF as PDF/A for long-term archiving
Need a PDF that still opens correctly in ten years? Convert it to PDF/A in your browser with files.co. Here's what PDF/A is, when you need it, and how to make one without uploading.
Aug 2, 2026 · 5 min readGuidesHow to turn a pile of images into a single PDF
Photos of receipts, scans, screenshots. Combine a batch of JPGs or PNGs into one tidy PDF in your browser with files.co. No upload, no app.
Jul 31, 2026 · 5 min readGuidesHow to extract text from a PDF
Need the words out of a PDF as plain, editable text? Pull them out in your browser with files.co. The document stays on your machine the whole time.
Jul 29, 2026 · 5 min readGuidesHow to add bookmarks to a PDF so it's easy to navigate
A long PDF with no bookmarks is a wall of pages. Add a clickable outline so readers jump straight to any section. Do it in your browser with files.co.
Jul 27, 2026 · 5 min readGuidesWhy Won't My PDFs Merge? Common Errors and Fixes
Merging PDFs should be simple, but a handful of things can make it fail. Here's what usually goes wrong and how to fix it, without uploading your files anywhere.
Jul 26, 2026 · 5 min readGuidesHow to add a header or footer to every page of a PDF
Stamp a title, a date, page numbers or a 'Confidential' line across every page of a PDF. Do it in your browser with files.co, no upload needed.
Jul 25, 2026 · 5 min readNo spam. Just PDF craft.
Once in a while, a useful note on PDFs and privacy.