The Smallpdf Blog

The best tips and tricks on managing digital documents

How to Circle Something in a PDF

Need to circle a date, total, or signature fast? We’ll show you how to draw clean circles in a PDF, tweak the look, and save your file in minutes.

How-To Guides

Draw on PDF for Free Online

Mark up any PDF with freehand drawing, shapes, and notes. Use Smallpdf online, or Preview and Edge offline, then save in one click.

How-To Guides

How to Redline a PDF?

You need to show edits on a PDF fast. We help you redline every change clearly, share it, and keep your review process on track.

What Is PDF? Meaning, Benefits, & History

How-To Guides

How to Add Comments to Your PDFs

Need to add comments to PDF files for review? Add notes, highlights, and markups on any device, then share one clean PDF back.

How-To Guides

Add Notes to Your PDF to Boost Efficiency & Collaboration

Write notes on PDF files in minutes. Add comments, highlights, and sticky notes online, then download or share with your team.

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How-To Guides

How to Add Checkboxes to Your PDFs

Easily add checkboxes to PDFs for forms, surveys, or quick checklists for free with Smallpdf—on any device—or with Preview on macOS.

How-To Guides

How To Annotate a PDF on Mac—Fast & Free

Draw on PDF MacBook for free and add quick notes. Use Preview or Smallpdf to highlight, sketch, and comment in minutes.

How-To Guides

How To Annotate a PDF on Windows—Three Easy Ways

Annotate PDF Windows in a few clicks. Choose built-in tools, online options, or desktop apps to highlight, comment, and mark up any file.

We are the first PDF software you will actually like. With the Smallpdf Blog, you'll find various how-to tutorials and productivity guides to help make PDF handling easy, just for you.