Free PDF Annotator Online
Draw, highlight and add text annotations directly on PDF pages in your browser. Annotations are burned into the output PDF. No upload — powered by PDF.js and pdf-lib, 100% private.
Drop PDF here or browse
PDF files only · Max 100 MB
Page 1 / 1
Advertisement
About PDF Annotator
This tool renders each PDF page using PDF.js, lets you draw on top of it using an HTML5 canvas overlay, then uses pdf-lib to embed your annotations as vector graphics burned permanently into the page. Supports freehand drawing, highlight strips, rectangles and text labels.
Advertisement