Annotate PDF Online — Add Notes and Highlights
Annotate PDF Online Free — Add Notes | f2file
Mark up any PDF with highlights, text notes, and annotations right in your browser. Great for reviewing documents, studying, or giving feedback on drafts. No software download required — just upload and start annotating.
Highlight and Markup PDF Documents
Add yellow highlights, sticky notes, or freeform comments to any page. Save your annotated PDF and share it with others — all changes are embedded in the file.
How it works
Upload your PDF
Drag and drop your PDF file or click to browse.
Add annotations
Use the toolbar to highlight text, add sticky notes, draw shapes, or insert comments.
Download annotated PDF
Click Save and download your PDF with all annotations embedded.
Frequently asked questions
About Annotate PDF
Annotate PDF lets you add highlights, text notes, shapes, underlines, and comments to any PDF document. Review and mark up documents without installing any software.