PDF Highlighter (Free & Online Tools Tutorial)

Foxit Reader

Foxit Reader is a highly versatile and widely used PDF document reader renowned for its efficient and intuitive features. As a product of Foxit Software, this application has gained popularity for its ability to seamlessly handle PDF documents while offering a plethora of convenient tools for viewing, editing, and annotating files. Whether you're a professional needing to review important documents or an everyday user seeking a user-friendly PDF reader, Foxit Reader stands out as a reliable solution. In this introduction, we will delve into the key features and advantages that make Foxit Reader a preferred choice in the realm of PDF viewing and management.

PDFelement

PDFelement, an exceptional creation by Wondershare, stands at the forefront of PDF editing and management solutions. Renowned for its comprehensive set of features and user-friendly interface, PDFelement empowers individuals and businesses to efficiently handle PDF documents with ease and precision. Whether it's editing, converting, annotating, or securing a PDF document, PDFelement provides a seamless and intuitive experience, making it a go-to tool for professionals and casual users alike. In this introduction, we will explore the capabilities and advantages that make PDFelement a top choice in the realm of PDF software, showcasing its impact on document management and productivity.

IronPDF

Using Foxit Reader and PDFelement PDF editors, you can highlight and manipulate a PDF file using graphical interface. But what if you want to edit and manipulate PDF files using a programming language? IronPDF is a PDF editor library available in different programming languages like Java, C#, Node.js, and Python.

IronPDF is a versatile and robust library designed for seamless integration across Java, C#, Node.js, and Python, empowering developers to effortlessly generate, manipulate, and manage PDF documents within their specific programming environments. Whether you're creating web applications, desktop software, or backend services, IronPDF provides a comprehensive set of features to handle diverse PDF requirements. From creating PDFs and modifying content to adjusting properties and interacting with existing PDF documents, IronPDF offers a unified approach, enabling developers to enhance productivity and streamline their PDF-related workflows in all supported programming languages.

using IronPdf;

class Program
{
    static void Main()
    {
        // Load the PDF document
        var pdf = PdfDocument.FromFile("output.pdf");

        // Define page index and texts for replacement
        const int pageIndex = 0;
        const string oldText = "Invoice";
        const string newText = "New Invoice";

        // Replace old text with new text on the specified page
        pdf.ReplaceTextOnPage(pageIndex, oldText, newText);

        // Save the updated PDF with a new name
        pdf.SaveAs("new_sample.pdf");
    }
}

using IronPdf;

class Program
{
    static void Main()
    {
        // Load the PDF document
        var pdf = PdfDocument.FromFile("output.pdf");

        // Define page index and texts for replacement
        const int pageIndex = 0;
        const string oldText = "Invoice";
        const string newText = "New Invoice";

        // Replace old text with new text on the specified page
        pdf.ReplaceTextOnPage(pageIndex, oldText, newText);

        // Save the updated PDF with a new name
        pdf.SaveAs("new_sample.pdf");
    }
}

Conclusion

PDF highlighters are indispensable digital tools revolutionizing the way we interact with PDF documents, providing a versatile and efficient means to mark and emphasize critical information. The ability to simulate traditional highlighter pens in a digital realm not only enhances readability but also facilitates organization and comprehension, making them crucial for students, professionals, and anyone dealing with digital content. This article explored two prominent PDF highlighter options, Foxit Reader and PDFelement, showcasing their intuitive features and highlighting capabilities.

Additionally, we introduced IronPDF, a programming-friendly PDF library, illustrating its role in programmatically manipulating PDFs, underlining the growing need for seamless integration between PDF tools and programming languages. In a world dominated by digital documentation, PDF highlighters, along with advanced PDF editing solutions, play a pivotal role in enhancing productivity, collaboration, and effective information management across diverse domains.

To learn more about IronPDF and how to edit PDF files, visit the IronPDF Documentation. For code examples on how to replace text in PDFs using IronPDF, refer to the IronPDF Replace Text Example.