Annotate with a pen tool

Annotate & Share Notes In Seconds

Markup Hero will transform your online classroom, engage your students and organize your activities all in one simple tool. Made by a teacher for teachers.

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Free & no sign up required
Upload, Share and Annotate PDFs with Markup Hero

Classroom Benefits

Markup Hero is great for teachers and students alike.


Create Interactive Assignments

You and your students can annotate and share assignments, reading materials, and presentations.


Comment On & Grade Homework

Quickly give feedback and engage students further by enabling them to do peer-to-peer reviews.


Build & Share Teaching Assets

Keep track of all your markup creations as well as anything anyone shares with you.

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Feature Overview

All the tools you need to communicate your message.

Built For You

With Markup Hero you (and your students) can immediately share PDFs, multiple images, and screenshots. You will be able to effortlessly add annotations in your web browser for free. It's simple to learn and easy to use.

🏁 Get Started: Upload a PDF.
Teachers and students share assignments with Markup Hero

Upload & Share

Instantly share with Markup Hero's image / PDF uploader, Slack integration, or screenshot app.

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Teachers and students annotate with Markup Hero

Annotate w/ Ease

Clearly communicate your message on any image or PDF with easy to use annotation tools.

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Teachers and students save time with Markup Hero

Save Time

Access all your markups with a click. Even send out materials for students to add their own annotations & edits to with the duplicate feature.

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Teachers and students stay organized with Markup Hero

Stay Organized

Keep all your work organized with tags, history, and custom privacy settings.

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