Highlight a PDF Online

What you can do

• •Drag translucent highlight boxes over any area of a page
• •Choose the highlight color for each mark
• •Works on scanned pages as well as digital PDFs
• •Highlights are saved into the downloaded file
• •Use with draw or add-text when highlights alone are not enough

How it works

1. 1

   Choose your PDF

   Select the PDF from your device.

2. 2

   Place marker boxes

   Add translucent highlights over the areas you want to mark. Editing stays on-device.

3. 3

   Download

   Save the marked PDF.

Common uses

• •Mark key clauses in a contract during review
• •Highlight study material in lecture PDFs
• •Flag sections for a teammate before a meeting
• •Prepare a reading pack with important paragraphs emphasized

Frequently asked questions

Does this select text like a reader highlight?

No. It places translucent marker boxes rather than selecting and highlighting underlying text, so you drag over the area you want marked.

Can I choose the highlight color?

Yes. Pick any color before drawing a box — handy for color-coding themes across a long document. Highlights stay translucent so the text below is still readable.

Can I use this on scanned pages?

Yes. Because it is box-based, it works whether the page has selectable text or is a scan.

Are the highlights saved in the file?

Yes. The marks are written into the PDF you download, so they show up for anyone who opens it — not just in your own reader.

Highlight vs draw — what’s the difference?

Highlight uses marker-style boxes. Draw is freehand ink for lines and shapes.

Do I need an account?

No account or sign-up is required.

Related PDF tools

• Draw on PDF
• Add Text
• Fill Forms
• All PDF tools