Is my PDF uploaded anywhere?

No. Everything happens in your browser tab, so your document never leaves your device.

Can I edit or remove my marks after saving?

Not in the saved file. Marks are drawn into the page so they appear in every viewer and when printed. Keep your original PDF, and annotate it again if you need a different version.

Will the highlighter hide the text underneath?

No. Highlights are blended with the page like a real highlighter, so the text stays readable under the colour.

Can I draw with my finger or a stylus?

Yes. Pen, box, oval, arrow and highlight all work by touch and with a stylus. Switch to Select when you want to scroll the page without drawing.

How do I add a typed note?

Choose Text, type your note in the box, then click the page where it should start. You can move it afterwards with Select. Notes support plain letters, numbers and common accented letters.

How is this different from Add Text or Sign PDF?

Add Text places typed text only. Sign PDF places your signature and the date. Annotate PDF is for marking up a document: highlights, freehand drawing, shapes, arrows and notes.

PDF Tool

Annotate PDF

Highlight, draw, add boxes, ovals, arrows and notes on any page. Runs entirely in your browser — your document is never uploaded.

UploadConfigureProcessingDownload

Drag a PDF here, or click to browse

Single file · Max 100.0 MB

How it works

1
Upload the PDF you want to mark up.
2
Pick a tool — highlighter, pen, box, oval, arrow or text — and choose a colour.
3
Draw or click on the page. Use Select to move or delete a mark, and Undo if you slip. Switch pages with the page buttons.
4
Click Save annotated PDF and download it.

Annotate PDF — frequently asked questions

Is my PDF uploaded anywhere?: No. Everything happens in your browser tab, so your document never leaves your device.
Can I edit or remove my marks after saving?: Not in the saved file. Marks are drawn into the page so they appear in every viewer and when printed. Keep your original PDF, and annotate it again if you need a different version.
Will the highlighter hide the text underneath?: No. Highlights are blended with the page like a real highlighter, so the text stays readable under the colour.
Can I draw with my finger or a stylus?: Yes. Pen, box, oval, arrow and highlight all work by touch and with a stylus. Switch to Select when you want to scroll the page without drawing.
How do I add a typed note?: Choose Text, type your note in the box, then click the page where it should start. You can move it afterwards with Select. Notes support plain letters, numbers and common accented letters.
How is this different from Add Text or Sign PDF?: Add Text places typed text only. Sign PDF places your signature and the date. Annotate PDF is for marking up a document: highlights, freehand drawing, shapes, arrows and notes.