How to annotate a pdf
- Select one readable PDF.
- Preview the pages and choose the available settings.
- Choose Add annotation, validate the result, and download it.
Annotate a PDF
Add a visible highlight band and optional note to one PDF page without uploading the document.
or drop one PDF here
Up to 50 MiB and 500 pages
Processing stays in this browser
Files remain in your browser
No file upload
No account required
PDF annotation questions
Can I highlight a PDF online?
Yes. Add a visible highlight band to one selected page.
Can I add a note with the highlight?
Yes. Add an optional note before creating the annotated PDF.
Is my PDF uploaded?
No. Annotation and PDF creation run locally in this browser.
Need a different browser task? Open the PDF reader.
About this tool
Add a visible highlight and note to one page
Annotate PDF places a coloured highlight band on the selected page and can include a short note. The annotation is written into a new PDF.
Useful for
- Draw attention to a section during review.
- Add a brief comment to a chosen page.
- Create a shareable marked-up copy in the browser.
Good to know
- This version uses a page-width highlight band rather than freehand selection.
- It does not alter or remove the text underneath.
- The original document remains unchanged.