Highlight PDF Online

Hightlight text in PDF online for free, and without watermark

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PDF Highlighter Software, with AI-Powered

Highlight, annotate, and edit PDFs on any device with our All-in-one PDF highlighter, ChatGPT powered, and still for free.

For any problems during use, or insights to help us improve the service, please contact us.

Privacy Assured

Privacy Assured

At PDFgear, we understand the value of your privacy. We're committed to ensuring we never collect or mishandle any user data. With SSL encryption, your files remain undeniably secure. And for peace of mind, all user details are auto-deleted post-use.

Free & No Watermark

Free & No Watermark

Experience our online PDF highlighter: 100% free, devoid of ads, and with no subscriptions. With our transparency promise, there are no hidden tiers. Just highlight your PDF confidently, download, and enjoy a watermark-free result.

No Download & Registration

No Download & Registration

You don’t need to download or install software on your computer with PDFgear online PDF highlight feature. Additionally, you can freely highlight text and area online without getting asked for account registration or credit card.

Flexible Highlighting Options

Flexible Highlighting Options

PDFgear provides two flexible options for highlighting PDFs online: you can select and highlight text or select and highlight areas. This versatility ensures precise emphasis and clear conveyance of messages in any document.

More Than Highlight

More Than Highlight

Besides basic highlighting, PDFgear also offers a wide variety of annotation options such as underlining, strikethrough, lines, shapes, stamps, comments, and electronic signatures. This comprehensive set makes it easy to add any kind of annotation you need to your PDF online.

Cross Platform

Cross Platform

The PDFgear online tool enables PDF highlighting and editing across Linux, Windows, and Mac browsers. Additionally, PDFgear provides desktop and mobile apps equipped with advanced features and integrated AI technology to elevate your PDF editing experience.

How to Highlight PDF Onine for Free

Click 'Upload Your PDF File' or simply drag and drop your PDF file to PDFgear online.

In the menu, select 'Add or Edit Annotations' on the right to find the highlight tool to start your highlighting.

After editing, hit 'Download' on the menu's far-right to save your PDF. And hey, please share PDFgear if you love it!

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Your Questions Are Answered

Why can’t I highlight text my PDF online?

There are two more probably cases where you can’t highlight your PDF. One is that your PDF document is protected, which means you need to unlock the PDF. And another reason is that the PDF is a scanned document that is unselectable, so you may have to draw a shape to highlight the area.

Can I change the highlight color online?

In the PDFgear online highlighter, you can find 100+ color to use as the highlighting color or change the existing highlight color. And aside from the color presets, you can also use the color palette to choose a custom highlight color.

How to remove highlights in PDF online?

To erase highlights in PDFgear, simply open your previously highlighted PDF document in PDFgear online tool, select the highlighted section, and then press the 'delete' key on your keyboard to effortlessly remove the highlight.

How to highlight PDF on mobile phones & tablets?

You can use PDFgear online to highlight PDF text on your mobile devices. Surely, if you are using an iPhone or iPad and are seeking more comprehensive PDF editing features, PDFgear for iOS is likely your best option.

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