PDF Guides & Tutorials

Step-by-step guides for everything PDF — OCR, compression, merging, splitting and more. All tools run in your browser with no uploads required.

What is OCR? A Complete Beginner's Guide

Understand what Optical Character Recognition is, how it works, and why it matters for scanned PDFs and documents.

How to Make a Scanned PDF Searchable

Step-by-step guide to converting image-based PDFs into fully searchable, copy-pasteable documents using PDFyre.

OCR · Step-by-step

How to Compress a PDF Without Losing Quality

Reduce PDF file size for email, uploading, or storage. Learn when compression helps and when it doesn't.

How to Merge Multiple PDFs Into One

Combine chapters, reports, or scanned pages into a single PDF document in seconds — no software required.

How to Split a PDF Into Separate Files

Extract specific pages or chapters from a large PDF. Share only the pages you need without the entire document.

Complete Guide to Free Online PDF Tools

Overview of all PDF tools available on PDFyre — what each one does, when to use it, and what to expect.