PDF Tools

Annotate PDF Online

Annotate PDF pages with sticky-style text notes. Select pages and place short comments before downloading.

  • Private when possible
  • No account required

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About this tool

Leave a short note on a page without opening a heavy desktop editor. Annotate PDF places sticky-style text on the pages you select so reviewers can see comments at a glance.

How to use

  1. Upload a PDF.
  2. Enter the note text and position.
  3. Select pages (or apply to all).
  4. Download the annotated PDF.

Features

  • Sticky-style text notes
  • Visual page selection
  • Adjustable placement
  • Distinct from full-page watermarks

Common use cases

  • Reviewer comments
  • Internal reminders
  • Mark drafts

Supported formats

PDF

Privacy

This tool processes data in your browser. Content is not uploaded to our servers unless a feature explicitly requires a network request.

Frequently asked questions

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