When people search “highlight PDF”
Most users want one thing: highlight fast, download fast, no signup. This page is built for that exact flow.
Students: highlight key paragraphs for revision
Highlight definitions, formulas, and important lines so you can revise faster and stay organized.
Work: review contracts and reports
Highlight clauses, mark sections for approval, and share a clear version with your team or clients.
Research: annotate PDFs without printing
Highlight claims, add quick callouts, and keep a clean digital workflow for reading papers.
Proofreading: mark text you need to edit later
Highlight sentences you want to rewrite and come back to them without losing your place.
If text is selectable → highlight the text
Selectable text lets you highlight cleanly and keeps the PDF sharp.
If it’s scanned (image PDF) → use a marker-style highlight
You can still highlight visually on scanned pages by drawing a transparent highlight stroke over the area.
Need to remove highlights?
Use undo while editing. If already downloaded, re-open and delete the highlight objects in the editor.
How to highlight text in a PDF (3 steps)
1) Upload your PDF
Upload your file in the box above. The editor opens and your pages are ready to mark.
2) Highlight the text
Choose the highlight tool and drag across the lines you want to mark. Zoom in for accuracy on mobile.
3) Download the updated PDF
Export instantly — your highlighted PDF downloads clean with no watermark.
Highlight PDF — FAQs
How do I highlight text in a PDF for free?
Upload your PDF, choose the highlight tool, mark the text you need, then download the updated PDF — no signup and no watermark.
Do you add watermarks when I download?
No. Your highlighted PDF downloads without a watermark.
Do you upload my PDF to your servers?
By default, highlighting runs in your browser so your PDF stays on your device. If any feature ever needs an upload, you’ll see it clearly before starting.
Can I highlight a scanned PDF?
Yes. You can highlight visually by drawing highlight strokes on top of scanned pages. For selectable text on scanned PDFs, you’d need OCR.
Does it work on mobile?
Yes. Use Safari on iPhone/iPad or Chrome on Android. Zoom in, then highlight accurately.
Can I remove highlights later?
Yes. Re-open the PDF and delete the highlight marks in the editor, then download again.
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