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Grow your PDF to a custom size
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fi50
Image to PDF
PDF to Image
Merge PDF
Split PDF
Compress PDF
Increase PDF Size
Rotate PDF
Crop PDF Page
Extract PDF
Remove PDF Pages
Remove Blank Pages
Grayscale PDF
Invert PDF
Brightness PDF
Highlight PDF
Add Watermark
Add Page Numbers
PDF to Text
Text to PDF
Organize PDF
PDF Metadata Editor
Scan Documents

Highlight PDF Pages

Ad 320x50

Drag & drop PDF here or

Supported format: PDF

100% Private & Secure

Files are processed locally on your device.
Ad 320x50

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How to Highlight a PDF?

Upload PDF

Simply drag and drop your file here to highlight pdf pages, or click to select one from your device.

Draw Highlights

Click and drag anywhere on the page to highlight pdf text or areas. You can easily customize the color and opacity.

Customize

Use the color picker and opacity slider to adjust the look. Zoom in for precise placement.

Download

Click Apply Highlights to save your changes, then download your new PDF with the highlights applied.

Why Choose Our PDF Highlighter?

Unlimited

There are no limits on how often you can highlight pdf files. It’s totally free, with no hidden costs or restrictions.

Fast

Our engine is super fast, allowing you to highlight pdf pages and save your new document in just seconds.

Secure & Private

Your privacy is key. Since everything runs in your browser, you can highlight pdf documents securely without them ever leaving your device.

Live Preview

Watch your changes appear instantly. You'll see your highlights in real-time as you draw them, so you know exactly what you're getting.

Easy to Use

We kept it simple so anyone can use it. No account or email needed, just upload and start highlighting.

Access Anywhere

Whether you're at home or on the go, you can highlight pdf files from any device with an internet connection.

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