Highlight Text in a PDF: quick answer
To highlight pdf online, upload the file, open Annotate, choose Highlight, Underline or Strike out and select the words with your mouse. The mark follows the text line by line. You can also draw a highlight box over images or tables. It is free and runs in your browser.
Select the text you want to mark and it is highlighted, underlined or struck out. You can also draw a highlight box over any area.
How to highlight PDF online
- Upload the PDF.
- Open Annotate and choose Highlight, Underline or Strike out.
- Select the text.
- Apply changes and download.
Why use PDFPro to highlight PDF online?
Real text markup
Marks follow the selected words, line by line.
Highlight box
Mark images and tables too.
What can you use it for?
- Mark key clauses in a contract before a meeting.
- Highlight exam answers in a study PDF.
- Strike out outdated lines in a draft and send it back.
- Underline figures to check in a financial report.
Highlight PDF: frequently asked questions
+Can I change the highlight color?
Highlights are yellow. Underline and strike-out use the color you pick in the Shapes menu.
+Can I highlight a scanned PDF?
Text highlighting needs real text to select. On a scan, draw a highlight box over the area instead, which marks any region regardless of what is underneath.
+Can I remove a highlight I added by mistake?
Yes. Press Undo (Ctrl+Z) before you apply changes. Redo (Ctrl+Shift+Z) brings it back if you change your mind.
+Is there a no sign up way to highlight a PDF?
Yes. PDFPro needs no account or login. Highlighting is free for files up to 50 MB, and the file is deleted from our servers after 2 hours.
+How do I highlight PDF text line by line?
Open Annotate, choose Highlight and drag across the words. The mark follows the text, line by line, and can be undone before you apply changes.
+Can I underline PDF online or strike out words?
Yes. Choose Underline or Strike out instead of Highlight and select the same words.
+How do I strikethrough PDF text in a draft?
Pick Strike out, select the lines to cross out and download. Readers see the old wording marked as removed.