Annotate PDF online

Add comments, highlights and notes to a PDF to prepare it for review or discussion with colleagues.

How to use it

  1. Upload the PDF file.

  2. Add comments and highlights on the pages.

  3. Save the changes.

  4. Download the annotated document.

When to use it

Leave remarks on a draft

Highlight key parts of a contract

Prepare a document for discussion

Frequently asked questions

What kinds of marks can I add?

Comments, text highlights and notes on the pages.

Are annotations visible in other apps?

Yes, annotations are saved in the PDF and visible in most apps.

Do I need an account?

No. The basic workflow is available without creating an account.

How long are files stored?

Files are used only for the selected operation and are automatically deleted 120 minutes after processing is finished. We do not use uploaded documents to train AI models.

Helpful pages

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