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Adobe Acrobat

Currently unavailable

Over 10M* files uploaded!
Join millions of users who have successfully edited PDFs using Acrobat.
*Over an 18-24 month period.

How to edit PDF files online

Follow these easy steps to edit a PDF online by adding comments :

  1. Choose a PDF to edit by clicking the Select a file button above, or drag and drop a file into the drop zone.
  2. Once Acrobat uploads the file, sign in to add your comments.
  3. Use the toolbar to add text, sticky notes, highlights, drawings, and more.
  4. Download your annotated file or get a link to share it.

Try our free PDF editor

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Add text and comments online

Use Acrobat PDF editing tools to add text boxes with your comments. You can also add sticky notes and highlight, strike through, or underline content.

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Draw on your PDF file

It’s easy to add drawings to your PDF using our free online tool. After signing in, use the drawing tool to freehand draw anything, including circles and arrows.

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Speed up document reviews

You can let other people add comments to your document too. Share the file with others, then @mention reviewers and reply to their comments.

Questions? We have answers.

More resources

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Use Acrobat tools for free

  • Sign in to try 25+ tools, like convert or compress
  • Add comments, fill in forms, and sign PDFs for free
  • Store your files online to access from any device

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