Highlight text in PDF with multiple colors. Mark important passages for easy reference.
Drop PDF here or click to open
Supports PDF files up to 100MB
Select the PDF to highlight.
Select text and apply highlight color.
Save your highlighted document.
Highlight exact words and passages in a PDF for study, proofreading, contract review, or shared feedback. Drag across the text, select a color, and inspect the page before exporting the annotated copy.
The original wording remains in the document. Use underline for a lighter review mark, or strikethrough when you want to show that wording is proposed for deletion.
Yes. OnePDFs is free to use, requires no account, and does not add an extra OnePDFs branding watermark; watermark tools add only the watermark you choose.
Your files stay on your device and are processed locally in your browser; no upload to our PDF processing service is required. A browser copy can remain in this site's IndexedDB until you clear site data or the browser evicts it.
Yes, choose from multiple highlight colors including yellow, green, blue, pink, and orange. You can also adjust the opacity of the highlight.
Yes. Click on any highlight to select it, then delete it. The original text underneath is not affected.