PDF Guides & Articles

Practical guides to working with PDF files.

How to Reduce PDF File Size for Online ApplicationsJob, civil service and university portals often cap PDFs at 200 KB to 2 MB. How to shrink a PDF without installing anything, why scanned PDFs are large, and how to keep the text readable.2 November 2026How to Merge Several PDFs Into One FileHow to merge several PDF files into one on a phone or laptop without installing anything: setting the order, combining PDFs with photos, and tips for job, scholarship and report submissions.2 November 2026How to Scan Documents With Your Phone and Turn Them Into a PDFHow to photograph documents with your phone so they look like a proper scan, then combine them into one PDF. Tips on lighting, angle, page order and file size for uploads.2 November 2026