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PDF Editor & Annotator

Edit & annotate PDFs free in your browser. Add text, highlights, shapes & more.

Drag & drop a file here, or browse

PDF file

Max 100MB per file

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Free Online PDF Editor & Annotator

Edit and annotate PDF documents directly in your browser with no file uploads required. Add text, highlights, shapes, and drawings to any PDF — all processing happens client-side using JavaScript, so your files never leave your computer. Perfect for sensitive documents, quick markups, and form filling with complete privacy guaranteed.

How to use PDF Editor & Annotator

  • Upload a PDF file.
  • Select an annotation tool (Text, Highlight, Draw, or Shape).
  • Click anywhere on a page to place the annotation.
  • Download the annotated PDF when finished.

Features

  • Add text annotations — Place custom text anywhere on any page.
  • Highlight tool — Mark important passages with colored highlights.
  • Freehand drawing — Draw directly on the PDF with customizable pen size.
  • Shape tool — Insert rectangles with custom border colors.
  • Undo and clear controls — Remove the last annotation or clear all at once.
  • 100% browser-based — Files never uploaded, complete privacy guaranteed.

Frequently Asked Questions

Can I edit a PDF online without uploading my file to a server?

Yes — UtilHub's PDF Editor & Annotator processes everything client-side in your browser. Your PDF files are never uploaded to any server, making it the most private way to edit PDFs online.

How do I annotate a PDF for free without signing up?

Simply open UtilHub's PDF Annotator, drag and drop your PDF file, and start annotating immediately. No account, no sign-up, and no software installation required. Add highlights, text, shapes, and drawings — then download your annotated PDF.

Is it safe to edit PDFs online?

With UtilHub, all editing and annotation happens entirely in your browser. Your files never leave your device, eliminating any risk of data exposure. It's the safest way to edit PDFs online.