Highlight PDF

Highlight PDF text lines or page areas locally with color, opacity, page range, and browser-only export controls.

Options

Text-line and area highlight modes.

Color and opacity controls.

X, Y, width, and height placement.

Selected page ranges or all pages.

How to highlight a PDF

  1. Upload PDF — Upload one PDF and choose target pages.
  2. Choose mode — Select text-line mode for selectable text or area mode for scanned pages.
  3. Style highlight — Set the highlight position, size, color, and opacity.
  4. Export — Export and download the highlighted PDF.

FAQ

Can I highlight scanned PDFs?
Yes. Use Area mode to place a visible highlight over image-only pages.
Can I change the color?
Yes. Choose any highlight color and opacity before exporting.
Are my PDFs uploaded?
No. Inspection, preview, and export run in your browser.