Highlighting important passages in a PDF for study notes, review, or emphasis is easy with the free browser-based annotation tool.
Navigate to PDF Studio and upload your PDF.
Choose the Highlight tool from the toolbar. Click and drag over the text you want to highlight. The selected text area is highlighted in the chosen color.
Tip: Use different colors for different categories: yellow for key terms, green for supporting evidence, pink for questions to follow up on.
Click Download PDF. All highlights are embedded and visible to anyone who opens the file.
Yes. For scanned PDFs, the highlight tool applies color to the specified area of the page image. Run OCR first if you need text-accurate selection.
Yes — completely free at pdfeditor.onl/pdf-studio.