How Do I Add Comments To A Pdf? Simple Steps That Work

So, you've got this super important PDF. Maybe it's a recipe from your grandma, a lease agreement that feels like reading a foreign language, or even just a funny article you want to share with a friend and point out the really hilarious bits. Whatever it is, you’ve probably thought, “Man, I wish I could just scribble a note on this!” Well, good news! You totally can, and it’s way easier than you might think.
Think of it like this: PDFs are like those fancy, printed books that you’re not supposed to write in. But let's be honest, who hasn't underlined a favorite passage or scribbled a thought in the margin of a book at some point? Adding comments to a PDF is basically the digital version of that. It’s your way of leaving a little “sticky note” or a “highlight” for yourself, or for anyone else who might be looking at the document.
Why Bother Adding Comments to a PDF?
You might be thinking, “Why would I even need to do this?” Oh, my friend, the reasons are as plentiful as sprinkles on a cupcake! Let’s dive into a few scenarios that’ll make you go, “Aha!”
For Your Own Brain: The Digital Sticky Note
Ever read something and thought, “I need to remember this!” but then it vanishes from your mind faster than free samples at the grocery store? PDFs are notorious for this. You can use comments to:
- Mark important dates or deadlines: Imagine a PDF of your kid’s school calendar. You can highlight the field trip date and add a comment like, "Pack lunch AND sunscreen!"
- Jot down quick reminders: If it’s a product manual, you can add a comment next to a step saying, "Don't forget to unplug before cleaning!" No more electrocution scares!
- Summarize complex ideas: Found a dense article you want to revisit? Add a short, punchy summary in the margin. It's like having a CliffsNotes version right there.
- Keep track of changes you’ve made (or need to make): If you’re editing a document yourself, you can add notes like, "Need to rephrase this sentence" or "Check grammar here."
For Sharing and Collaborating: The Digital Hand-off
This is where it gets really fun. Imagine you’re working on a project with someone, or you want to give feedback to a colleague or even a friend. Comments are your best pals here. You can:
- Give constructive feedback: If you're reviewing a friend's resume, you can highlight a section and say, "This is great! Maybe you could add a bit more detail here?" It's polite and clear.
- Ask clarifying questions: Received a PDF from your boss with instructions? If something’s fuzzy, highlight it and ask, "Just to confirm, does 'by EOD' mean by 5 PM or midnight?"
- Suggest edits or improvements: Working on a group presentation? You can mark up a slide with, "Let's add a visual here to explain this point better."
- Delegate tasks: If you're the team lead, you can assign specific sections for people to work on by adding a comment like, "Sarah, can you take a look at this section and add your insights?"
For a Bit of Fun: The Digital Doodlepad
![[Full Tutorial] 5 Ways to Add Comments to PDF](https://images.wondershare.com/pdfelement/annotate-pdf/add-comments-to-pdf.png)
Okay, so maybe "doodlepad" is a stretch, but you get the idea! Sometimes, you just want to add a little personality. You can:
- Add a smiley face next to a good point: Because why not?
- Leave a funny remark: If you're sharing a silly news article, you can point out the absurdity with a comment.
How to Actually Do It: Simple Steps That Work
Alright, enough talk. Let’s get down to business. The easiest way to add comments to a PDF is by using a PDF reader. Most of us already have one, and the most common one is Adobe Acrobat Reader. It’s free, so no excuses!
Using Adobe Acrobat Reader (The Most Common Way)
Think of Adobe Acrobat Reader as your digital toolbox for PDFs. It’s got all sorts of handy gadgets, and adding comments is one of its simplest tricks.
Step 1: Open Your PDF.
First things first, open the PDF document you want to add comments to in Adobe Acrobat Reader. You can usually just double-click the PDF file, and it will open automatically. If not, open Acrobat Reader first, then go to File > Open and select your PDF.
Step 2: Find the Commenting Tools.

Once your PDF is open, look for the commenting tools. They’re usually hiding in plain sight!
In newer versions of Acrobat Reader, you'll often see a panel on the right-hand side. Look for an icon that looks like a speech bubble or a pen. If you don't see it, go to the top menu bar and click on View > Show/Hide > Toolbar Items > Commenting Toolbar. Or, you might see a dedicated "Comment" tool in the main toolbar. Another easy way is to press Ctrl+Shift+H (on Windows) or Cmd+Shift+H (on Mac).
Step 3: Choose Your Commenting Tool.
The commenting toolbar will pop up, and it’s like a little buffet of annotation options. The most common ones you’ll use are:
- Add Text Comment: This is your go-to for typing actual notes. It looks like a speech bubble with a plus sign.
- Highlight Text: This is like using a bright marker to draw attention to something.
- Strikethrough Text: Useful for indicating text that should be removed.
- Underline Text: Just like in a book, to emphasize something.
For adding actual notes, you’ll want to click on the "Add Text Comment" tool (the speech bubble with a plus). Your cursor will change to a crosshair.

Step 4: Click Where You Want to Add Your Comment.
Move your cursor to the exact spot in the PDF where you want your comment to appear. Click your mouse. A little text box will pop up, ready for you to type.
Step 5: Type Your Comment.
Now, let your fingers fly! Type whatever you need to say. It could be a quick note, a question, or a suggestion. As soon as you’re done typing, click outside the text box, or press Esc. Your comment will appear as a little speech bubble or an icon at the location you chose, and you’ll see the text of your comment in a separate panel (usually on the right side of your screen).
Step 6: Highlighting (Super Easy!)
To highlight text, select the "Highlight Text" tool from the commenting toolbar. Then, simply click and drag your mouse over the text you want to highlight. Boom! It's now glowing.

Step 7: Saving Your Annotated PDF.
This is crucial! After you’ve added all your comments, you need to save your work. Go to File > Save or File > Save As. If you choose "Save As," you can save it as a new file so you don't overwrite the original (which is always a good idea!). Your comments are now part of this saved PDF.
What If I Don't Have Adobe Acrobat Reader?
No worries! Many other PDF viewers and editors can do this, often with even more features.
Browser-Based Viewers: Many web browsers (like Chrome, Firefox, Edge) have built-in PDF viewers. While their commenting features might be basic, they often allow for highlighting and sometimes simple text notes.
Other PDF Software: There are many other paid and free PDF editors out there, such as Foxit Reader (another free option), PDF-XChange Editor, and even online tools like Smallpdf or iLovePDF. They all have slightly different interfaces, but the core idea of selecting a commenting tool, choosing a spot, and typing your note remains the same.
The Bottom Line: Adding comments to a PDF is a fantastic skill to have. It’s like giving your documents a voice, making them more interactive, informative, and easier to manage. So go ahead, embrace the digital sticky note and start annotating!
