Editing a PDF on a Mac is a task that can be accomplished using the Preview app, which comes pre-installed on all Mac computers. This app allows users to make simple changes to PDFs, such as adding text, highlighting, and inserting signatures. By following a few easy steps, Mac users can edit their PDFs without needing to download any additional software.
Step by Step Tutorial: How to Edit a PDF on macOS
Before we dive into the nitty-gritty, let’s quickly overview what you’re about to do. Essentially, you’re going to open your PDF with Preview, make your edits, and then save it. Sounds simple, right? Let’s get started.
Step 1: Open the PDF with Preview
Open the PDF you want to edit in Preview by double-clicking the file.
When you double-click on a PDF on your Mac, it should automatically open in Preview. Preview is the default PDF viewer on macOS, and it’s pretty versatile. If for some reason your PDF opens in a different program, you can right-click (or control-click) the file, select ‘Open With,’ and choose ‘Preview.’
Step 2: Use the Markup Toolbar
Click on the Markup Toolbar button to reveal editing tools.
The Markup Toolbar is where all the magic happens. It’s located at the top of the Preview window and looks like a little pencil tip. Once you click it, a slew of editing tools will appear, allowing you to add text, draw, highlight, and more.
Step 3: Edit Your PDF
Make your desired changes using the tools in the Markup Toolbar.
Whether you need to add some text, highlight a section, or even sign your name, all the tools you need are in the Markup Toolbar. Simply select the tool you want to use and click on the area of the PDF where you want to make your changes.
Step 4: Save Your Changes
After editing, save your PDF by clicking ‘File’ and then ‘Save.’
Don’t forget to save your changes! Once you’re done editing, go to the ‘File’ menu and click ‘Save.’ Your original PDF will now include all the edits you’ve made.
After you complete the editing process, your PDF will be updated with all the changes you’ve made. You can then share this edited PDF with others, knowing that it accurately reflects the information you wanted to convey or the feedback you wanted to provide.
Tips for Editing PDFs on macOS
- Use the Text Tool to add new text anywhere on the PDF.
- The Signature Tool allows you to add your signature either by drawing it, using the camera, or uploading an image.
- The Highlight Tool is perfect for emphasizing important information.
- If you need to draw freehand, use the Sketch Tool.
- To add shapes or lines, use the Shapes Tool.
Frequently Asked Questions
What if I can’t find the Markup Toolbar?
If the Markup Toolbar isn’t visible, make sure you’re in Preview mode by clicking ‘View’ and selecting ‘Show Markup Toolbar.’
Can I edit a password-protected PDF?
You can only edit a password-protected PDF if you have the password. Once unlocked, you can edit as normal.
How do I add images to a PDF in Preview?
Use the ‘Insert’ option in the Markup Toolbar to add images to your PDF.
Can I merge multiple PDFs in Preview?
Yes, you can merge PDFs by opening the first PDF, then dragging and dropping additional PDFs into the Preview sidebar.
What should I do if my changes don’t save?
Make sure you’re hitting ‘Save’ and not ‘Save As,’ which creates a new file. If issues persist, check your permissions for the file.
Summary
- Open the PDF with Preview
- Use the Markup Toolbar
- Edit Your PDF
- Save Your Changes
Conclusion
Editing a PDF on a Mac using the Preview application is a straightforward process that requires no additional software. The Markup Toolbar within Preview offers a suite of tools that cover most basic editing needs, from adding text and signatures to highlighting and drawing. As with any tool, familiarizing yourself with its features and capabilities can help you make the most of it. Whether for work, school, or personal use, being able to edit a PDF efficiently on your Mac can save you time and hassle. Remember to save your changes, and always ensure you have the right permissions for the file you’re working on. For more advanced editing needs, there are plenty of third-party tools available, but for most macOS users, Preview has got you covered for macos edit pdf.

Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.