Highlight search terms in PDF documents

Improve your user's search experience.
Highlight multiple search terms and phrases with ease.

Highlighter outputs PDF files compatible with different devices and PDF readers

PDF Highlighter is compatible with the most popular browsers and PDF viewers.

Server-side solution

PDF highlighter is a server application that updates PDF documents “on the fly,” highlighting search terms. No installation for end-users.

High compatibility

Highlighter chooses the best PDF delivery method based on user's preferred browser (highlighting viewer vs burned PDF).


PDF Highlighter can mark terms using an Adobe highlights XML file or search query as an input.

Hits navigation

Navigation controls allow end-user to navigate next/previous found terms in a document.

Easy to integrate

PDF Highlighter can be linked directly or consumed as a REST web service. Provided jQuery plugin allows straightforward integration with existing search solutions.

Support and development

Beside the standard product support, we offer consultancy, integration, and development services.

PDF Highlighter simplifies the PDF viewing process by highlighting keywords within a text. Unlike the standard “search” function found in PDF viewer, Highlighter’s unique features streamline the process by highlighting multiple search terms and phrases simultaneously. Additionally, PDF Highlighter assigns separate colors to different keywords, further enhancing and organizing search results. The document is opened on the first keyword occurrence, and users can seamlessly navigate between matching terms faster than ever before.