Annotate your PDF effortlessly
Work smart and save time with MergedPDF. Easily upload, annotate, and customize your PDFs in just a few clicks. Perfect for school, work, or personal projects.
PDF Annotator
Annotate your PDFs quickly and securely with our online tool. Add notes, highlights, and comments in just a few clicks without changing your original document.
Choose your File
or drag and drop
SSL Encryption - Supports PDF up to 100 MB and other formats and extensions up to 25 MB
With our PDF Annotator, you can easily handle tasks like:
- Highlight key sections in reports, articles, or study materials.
- Add comments or feedback to documents for team reviews.
- Insert signatures or notes into contracts and forms.
- Mark up drafts and presentations before sharing them.
Explore how to annotate a PDF below and make your documents more organized and ready to share.
How to Annotate a PDF
Looking for a better way to annotate PDFs online? Here’s how to do it with MergedPDF:
1
Upload your PDF
Upload your file to our site to get started.
2
Select the annotation tool
Choose the option you need — text, highlight, draw, and more.
3
Make your annotations
Add your notes, images, or signature to the document.
4
Save the file
Download the finished PDF to your drive.
Annotate PDF Documents Easily With MergedPDF
Multiple PDF annotation options
Edit, highlight, and sign files instantly. Get all the tools you need to personalize your documents and make PDF editing fast and easy.
Seamless and intuitive PDF annotation
Find the perfect tool for every task and highlight, draw, or comment on documents online. Our smart, user-friendly platform makes PDF annotation easy and efficient.
Securely annotate PDFs
Your files are safe with MergedPDF. We use SSL encryption to protect your data, and for security reasons, all files are automatically deleted from our servers when you’re finished.
Annotate a PDF on any device
Annotate your PDFs on your computer, tablet, or phone wherever you are. Our PDF Annotator adapts to any screen and is designed for maximum convenience.
No download required
Skip downloads and heavy software. With MergedPDF, you can annotate your PDFs directly in your browser and save your finished documents to any device in seconds.
MergedPDF Offers Multiple PDF Solutions
Start by creating a free account and make it easy to edit, convert, compress, and split your files!
- Edit, convert, merge, and more with our platform
- Get unlimited edits and downloads
- Convert in multiple formats
- 100% private and secure uploads and editing
- 24/7 customer support
FAQs About Our PDF Annotator
Everything you need to know about annotating PDFs.
Can I highlight text in different colors?
Yes, you can highlight text in different colors. Our PDF Annotator includes a full color palette, so you can choose the shade that works best for your notes.
This makes it easier to organize information and mark different types of content clearly.
This makes it easier to organize information and mark different types of content clearly.
Is it possible to add comments to specific images or charts?
Yes, you can add comments to specific images or charts. Simply place a sticky note wherever you need it on the document.
This makes it easy to leave feedback, explanations, or reminders exactly where they are most relevant.
This makes it easy to leave feedback, explanations, or reminders exactly where they are most relevant.
Can I edit or delete an annotation after adding it?
Yes, you can edit or delete an annotation while you are still working on the document.
Our tool lets you make changes freely during the editing process.
This gives you full control before you save and download the final version of your document.
Our tool lets you make changes freely during the editing process.
This gives you full control before you save and download the final version of your document.
Could my annotations affect the document's formatting?
No, your annotations will not affect the document’s formatting. They are placed on top of the original content rather than changing the file structure itself.
This means your layout and design stay exactly the same.
This means your layout and design stay exactly the same.
Is it safe to annotate a PDF online?
Absolutely! With MergedPDF, your documents stay private. We use SSL encryption to keep your data safe, and for extra peace of mind, we never store your PDFs. Once you’re done annotating, all files are permanently deleted from our servers.
Do I need to download any software to annotate a PDF?
You don’t need to download or install anything! MergedPDF has all the annotation tools you need to add text, draw, sign, and more.
As long as you have an Internet connection, you can work on your PDF directly in your browser.
As long as you have an Internet connection, you can work on your PDF directly in your browser.
Can I annotate a PDF on a mobile phone?
You can annotate your PDFs on any device, whether it’s your phone, tablet, or computer.
Our PDF Annotator is fully intuitive and adaptive, so you can easily highlight, comment, and manage your documents anytime, anywhere.
Our PDF Annotator is fully intuitive and adaptive, so you can easily highlight, comment, and manage your documents anytime, anywhere.