PDF guides and tutorials How to merge PDF files into one document — A practical guide to combining PDFs: when to merge, how to get the page order right, and how to avoid the common problems.How to split a PDF and extract specific pages — Learn how to pull pages out of a PDF, split every page into its own file, and write page ranges correctly.How to convert JPG and PNG images to a PDF — Turn photos, screenshots and scans into a single PDF. Covers page size, orientation, margins and image order.How to convert a Word document to PDF — Why PDF is the right format for sharing, how to convert a .docx file, and what to check before you send it.How to extract text from a PDF — Get the text out of a PDF as a plain text file, and understand why scanned PDFs need a different approach.How to add page numbers to a PDF — Number the pages of any PDF, choose the position and format, and start from the number you need.How to add a watermark to a PDF — Mark a PDF as DRAFT or CONFIDENTIAL with a text watermark, and learn what a watermark can and cannot protect.How to rotate, reorder and delete PDF pages — Fix sideways scans, put pages in the right order and remove pages you do not need, using thumbnails.Are online PDF tools safe? How to protect your files — What happens to your documents when you use an online PDF tool, and how to check whether a tool uploads your files.PDF vs Word: which format should you use? — A practical comparison of PDF and Word (.docx) files: when to edit, when to share, and how to convert between them.