Annotate PDF

Annotate PDF files by highlighting and adding text, images or shapes

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4.8 (213 votes)

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Information

Windows Linux MAC iPhone Android

How to annotate PDFs

Select the file you want to annotate. Annotate your file with tools like adding text, images, shapes. Save your file as a PDF.

Many tools

There are numerous tools available for commenting. Everything from free drawing to adding shapes, text and images is available.

Easy to use

PDF24 makes it as easy and fast as possible to annotate files. You don't have to install or configure anything, just edit your file here.

Supports your system

There are no special requirements for commenting on files on your system. This app works with all common operating systems and browsers.

No installation required

You do not need to install any software. This tool runs on our servers in the cloud and your system is not changed and does not require any special things.

Security is important to us

This tool does not store your files on our server for longer than necessary. Your files and results will be removed from our system after a short time.

Developed by Stefan Ziegler

What others are saying

A really cool tool. It is easy to use and comments are easily inserted. Many tools are available for commenting. It's fun that way.

I like to use this tool on my tablet. The app supports free drawing and so I can draw and write directly in the PDF with the pen. It almost feels like pen and paper.

Questions and Answers

How can I annotate a PDF?

Select the PDF file you want to annotate using the file selection box on this page. Your PDF will then be opened in the PDF24 Editor.
Use the tools of the PDF24 Editor to add new elements like text or images or to highlight text.
After editing, click on the save icon in the toolbar and then use the download button to save your annotated PDF on your computer.

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