Mark up any PDF with sticky notes, shapes, arrows, and freehand ink. Perfect for reviewing contracts, proofing designs, or giving feedback on reports.
Annotate a PDFSticky notes, text boxes, rectangles, ellipses, arrows, lines, and a freehand pen — all in one toolbar.
Each annotation is a separate layer you can move, resize, or delete without touching the underlying PDF.
Download the annotated PDF and email it — annotations render in any PDF reader including Acrobat and Preview.
Unlimited annotations on the free plan. No watermark, no hidden export fee.
Yes. Konomic exports standard PDF annotation objects that render correctly in Acrobat, Preview, Foxit, and every major PDF reader.
Yes. Each annotation is editable until you flatten the file. Open the PDF in Konomic again to move or remove marks.
Yes. The pen and sticky-note tools work on touchscreens. A stylus gives the smoothest lines.
No. Annotations sit on a separate layer above the PDF content — the underlying document is untouched.
Yes. Unlimited annotations on the free plan with no watermark and no signup.