Quickly highlight key text and important sections in your PDF documents online. This tool lets you select and emphasize text directly in the PDF so it’s easier to review, study, or organize information — all in your browser with no software install needed.
Highlighter PDF
Upload PDF
Select area to highlight text
Password Protected
Enter password to unlock file.
How to use:
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Upload your PDF – Click the upload area or drag & drop your file.
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Select text to highlight – Choose the highlight tool and drag over the text you want to mark.
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Apply & download – Once done, click “Download” to save your highlighted PDF.
Why this is useful:
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Emphasize important information, study notes, or key terms without printing.
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Use multiple colors to organize content by topic or priority (if supported).
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Works on both desktop and mobile devices.
Perfect for students, professionals, researchers, or anyone who needs to review and annotate PDF files online.