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Chat with Any PDF. Get Instant Summaries and Answers with AI Assistant Online. Use It Now

Explore UPDF's 13 Utilities to Markup PDF

Annotate, Comment,
and Take Notes on PDFs

Enhance your PDFs with UPDF's range of annotation tools. Use sticky notes, highlighters, and text notes to help you engage with the document.

How to Annotate a PDF
  • Text Comment, Text Box, Text Callout

  • Underline, Squiggly

  • Strikethrough

  • Sticky Notes

  • Highlighters

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Decorate PDFs With
Drawings, Graffiti, Stickers

Add shapes, stickers, and personalized annotations to illustrate your ideas on PDFs. Use the intuitive Eraser feature to refine your drawings and ensure your documents look polished and professional.

How to Draw on a PDF
  • 6 shapes

  • 100+ Stickers

  • Responsive Drawing

  • Lifelike & Precise Pencil

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Smooth Your Workflow With Stamps and Signatures

Use signatures and stamps when reviewing documents for clear, secure document processing. Create custom stamps to mark PDFs and fit with your unique workflow.

How to Add a Stamp to a PDF
  • 15 Default Stamps

    Customizable as well

  • Custom Signatures

    Draw or type to create

Free Download

Make Sharing and Collaboration Simple

Export annotations as speaker notes to facilitate smooth, confident delivery. Use detailed attachments for extra clarification. Effortless sharing for collaboration and professional presentations.

How to Share a PDF
  • Manageable Comment List

    Export or delete

  • Openable Attachment

    Support: documents, videos, audios, images, etc.

  • 2 Sharing Options

    Share via email or link

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Tips and Tricks for How to Annotate PDFs Explore More

add notes in pdf

How to Add Notes to PDF? Easy Guide

highlight pdf

How to Highlight PDF with 5 Easy Methods

add shapes to pdf

How to Add Shapes to PDF in a Few Steps

add comments in pdf

How to Add Comments in PDF in a Few Minutes

pdf attachment

Add PDF Attachment in 3 Super Easy Ways

Other Features of UPDF

UPDF is an all-in-one PDF solution - here are some other great features:

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Supports macOS 10.14.6 or later Download from Mac App Store

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Supports Windows 7 or later

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Supports iOS 14.0 or later

Free Download


Supports Android 6.0 or later

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