How does the Highlight Text in PDF tool work?

Upload a PDF file or document. The Highlight Text in PDF tool processes your file using browser-based technology. You can preview and download the result.

Is Highlight Text in PDF free?

Yes! The Highlight Text in PDF tool is 100% free with no limits. All processing happens in your browser, so it's instant and private.

What file formats are supported?

We support PDF, JPG, PNG, BMP, TIFF image formats. For conversion tools, we also support Word (DOCX), Excel (XLSX), PowerPoint (PPTX), and HTML.

Is my PDF data private?

Absolutely. All processing happens in your browser. Your PDF files are never uploaded to any server.

Do I need to create an account?

No account required! Upload your file and use tools instantly without signing up.

Highlight Text in PDF Online Free

Highlight text in PDF online for free. Mark important text fragments with a highlighter directly in your PDF document in the browser.

Highlighter ToolColor SelectionBrowser-BasedNo RegistrationFastFree

About Highlight Text in PDF

Highlight Text in PDF is a free online PDF tool that processes your files directly in the browser. Upload a PDF and get results instantly — no server upload, no waiting, complete privacy.

All processing happens locally using modern web technologies. No registration required. Browse all 73 PDF tools for more capabilities.

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What Our Users Say

Trusted by creators and professionals worldwide

4.9out of 5 based on 15,247 reviews

“

“PDF editor — edited my document for work in seconds. Clean interface!”

Emma Johnson

Office Manager

“

“Edit PDF — added annotations and fixed text in my presentation. Perfect results!”

Olivia Davis

Designer

“

“PDF online free — edited text in a contract. Works right in the browser!”

Chloe Roberts

Copywriter

“

“Cropped PDF pages — removed extra margins and aligned the document perfectly in seconds!”

Ethan Clark

Office Manager

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“Rotated pages in my PDF — the document finally displays correctly. Excellent tool!”

Jessica Martinez

Editor

“

“Split my PDF report into separate chapters — each section is now its own file. So convenient!”

Liam Cooper

Analyst

Frequently Asked Questions

Ready to Use Highlight Text in PDF?

Upload your file and process it instantly — free and private