Highlight PDF
Add a coloured highlight overlay to any area of a PDF page. Common for emphasizing clauses, key numbers or notes.
Drop a PDF here
or click to choose a file
Accepted: PDF · No upload
How to highlight PDF text
- Add a PDF file.
- Choose a colour and set position and size in points.
- Click Add highlight.
If you need to find the exact text position, render the page in the PDF Previewer tool first to check coordinates.
Privacy
Runs in your browser. No upload.
Known limitations
- Highlighting adds a translucent overlay; the underlying text is unchanged and still searchable.
- Coordinates must be entered manually — there is no click-to-select highlight.