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Annotate PDF

Add a highlight, rectangle or line to selected PDF pages. These visual marks are not redaction or editable comments.

Six pages have a review line and Total: 148.50. Place a highlight, rectangle or line on selected pages and check its position in the downloaded PDF. Marks do not remove underlying content.

Your documents stay on this device. Tool downloads and usage statistics do not include file contents.

Local limits: Max single file: 60 MB / Max pages per run: 500

Files are processed in your browser. They are not uploaded to this site.

A practical guide

Annotate PDF: a worked example

  1. Choose a PDF and the page positions to mark.
  2. Choose a highlight, rectangle or line and set its position and size.
  3. Apply the mark and inspect it. These are visual page marks, not editable comments or redaction.

Try this example

Place a highlight on page 2 of the sample and inspect its position. Page 1 stays unchanged. Reuse the result to add another mark; this does not create editable comments.

Before

  • Page 2

After

  • Page 2 + highlight
Input and expected output for this operation. Illustrative example.
Continue with Merge PDF
What you get

Add a highlight, rectangle or line to selected PDF pages. These visual marks are not redaction or editable comments.

Limits and important details

Local limits: Max single file: 60 MB / Max pages per run: 500

Example

Place a highlight on page 2 of the sample and inspect its position. Page 1 stays unchanged. Reuse the result to add another mark; this does not create editable comments.