PDF Highlight Tool. Browser-based, no upload needed.
Drop your pdf file here
or click to browse
PDF • Max 100MB
PDF Highlight Tool. Browser-based, no upload needed.
Drag & drop your file into the tool above, or click Choose Files to browse.
Adjust any settings in the panel on the right to match your needs.
Click the action button and wait a moment while we process your file.
Download your result instantly — 100% browser-based, nothing leaves your device.
Built for speed, privacy and reliability — on any device.
Just upload your file and the tool handles the rest. No manual adjustments or software needed.
Everything runs directly in your browser. Your files never leave your device — 100% private.
Works on any modern browser on desktop, tablet or mobile — Mac, Windows, iOS, Android.
No subscriptions, no sign-ups, no hidden fees. Use PDF Highlight Tool as many times as you need.
Our PDF engine preserves fonts, layouts and formatting so your output looks exactly as expected.
Yes, PDF Highlight Tool is completely free. There are no sign-ups, no subscriptions and no hidden fees. You can use it as many times as you like.
No. PDF Highlight Tool runs entirely inside your web browser. Your file is never sent to any server, making it 100% private and secure.
Once the page has loaded, the tool works without an active internet connection since all processing happens locally in your browser.
The tool works on all modern browsers including Chrome, Firefox, Safari, Edge and Opera — on both desktop and mobile.
Yes. Our PDF engine carefully preserves all fonts, images, formatting and page layouts during processing.
Draw yellow highlights