Guides

Short, practical answers to the PDF problems people actually search for, each one ending at the free tool that does the job.

• How to Compress a PDF So It Fits in an EmailWhy PDFs get too big to attach, what the real size limits are for Gmail and Outlook, and how to shrink a file without making the text blurry.
• How to Make a Scanned PDF Searchable (OCR Explained)Why you cannot search or copy text in a scanned PDF, how OCR fixes it without changing how the pages look, and how to get the most accurate result.
• How to Merge PDF Files on Windows, Mac, iPhone and AndroidCombine several PDFs into one document on any device, with or without installing anything, and keep your files on your own machine.