PDF Basics

Explore Basic Help Topics About PDF Files

Wondering what a PDF is? You’re not alone. More than 33,000 people ask Google that question every month. If you’re new to working with PDF files, or need a refresher on PDF basics, explore our resource library. We cover how to sign a PDF, convert Word Docs into PDFs, extracting pages from PDFs and so much more.

• 3 Ways to Add Pages to a PDF
• 8 Types of PDF Files
• Create a PDF: How Do You Create PDF Files?
• Delete Pages From a PDF
• Electronic Signature vs Digital Signature: What’s The Difference?
• How Do You Delete PDF Files?
• How to ‘Merge’ JPG Files Into One PDF
• How to Convert PDF Files to JPEGs
• How to Convert to PDF File
• How to Edit a PDF Online
• How to Extract, Split, Separate a Page from a PDF
• How to Flip a PDF 
• How to Highlight In a PDF Online
• How to Open a PDF Online, On a Computer Or Mobile Device
• How to Print a PDF Online
• How to Remove Pages from a PDF (Plus: How to Protect a PDF From Deletion)
• How to Rename a File (PDFs and Other File Formats)
• How to Rotate PDF Pages
• How to Send a PDF by Email
• How to Share a PDF Online
• PDF Viewer Basics
• What Is a PDF File, Anyway? (And How Do I Open It?)
• What Is a PDF Reader?
• What’s a PDF Online Optimizer?
• Working With PDFs and Microsoft Word