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Annotate PDF

Add highlighted text annotations to any page of your PDF

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Drop your PDF here
or click to browse from your computer
PDF files only · Max 50 MB
Adds yellow highlighted text at the specified position
💡 Position 0,0 = bottom-left of page. Y=700 places the annotation near the top of an A4 page.

How to Annotate a PDF

  1. Step 1: Upload your PDF.
  2. Step 2: Type the annotation text you want to add.
  3. Step 3: Set the page number and X/Y coordinates.
  4. Step 4: Click "Annotate PDF" and download the result.

Frequently Asked Questions

What does the annotation look like?

The text is placed at the specified coordinates with a yellow highlight background — similar to a sticky note or highlighted comment.

Can I add multiple annotations?

Currently one annotation per run. Process the output again to add more annotations.

How do I position the annotation accurately?

A4 pages are ~595 × 842 points. Use X=50, Y=700 for the top-left area or X=50, Y=50 for the bottom area.

Is there a file size limit?

PDFs up to 50 MB are supported.