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Highlight and annotate a PDF

Markup helps a reader notice a passage or understand a review comment. The annotations operation places visible highlights, lines, rectangles or note text on selected PDF pages using the position and dimensions you specify.

Highlight and annotate a PDF

THE WORKFLOW

How to highlight and annotate a PDF

  1. Open Annotations & markup and choose your PDF and page selection.
  2. Choose the markup type and adjust coordinates, width, height, color and opacity. Enter text when using a note.
  3. Preview the location, select Add markup and inspect the saved document to confirm the intended passage is marked.

PRACTICAL EXAMPLES

Choose the workflow for your document

Highlight a passage in a PDF

Position the rectangle over the line of text, then adjust width and opacity. Check that adjacent lines are not obscured. The highlight is based on its page position, not a text search.

Add a visible review note

Choose Text note and place a short explanation where there is space. A visible page note is useful for a simple handoff but does not provide replies, comment history or author tracking.

BEFORE YOU SHARE

What to check in the result

These controls place visible page marks. They are not a shared review thread, and a highlight does not remove the content underneath. Use low opacity for a highlight so the text remains readable, and use Permanent redaction for information that must be removed.

COMMON QUESTIONS

Questions about this PDF task

Will an opaque rectangle redact the original text?

No. Markup is added over the existing page content. Use Permanent redaction and verify its output for sensitive information.

Can I mark selected pages only?

Yes. Enter a page range or comma-separated selection before applying the markup.

Are these collaborative comments?

No. This operation adds visible marks and notes to the exported pages. It does not host a multi-user comment system.

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