PDF Highlighter & Annotator

Highlight text, draw freehand, and add quick notes on each page. Work offline, undo steps, and export a flattened PDF.

This tool processes your PDF entirely in your browser. Files are not uploaded to any server.

Load PDF

Drop a PDF or click to choose

Pages stay on this device. Use the toolbar to mark up each page.

Annotate

Color Size Text

Tips

Use highlight to drag a rectangle over text; use Pen for freehand marks.
Click once with the Text tool to place a short note at that spot.
Annotations are flattened into the PDF so they show correctly everywhere.