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iTextSharp vs itext7: What are the differences?
Introduction
iTextSharp and iText7 are both libraries used for creating and manipulating PDF documents in .NET. While they serve similar purposes, there are several key differences between the two versions.
Differences in Architecture: iTextSharp is based on a monolithic architecture where different functionalities are combined into a single assembly. On the other hand, iText7 follows a modular architecture where functionalities are divided into separate modules, providing better flexibility and scalability.
API Redesign: iText7 introduced a completely redesigned API in order to provide a more intuitive and streamlined development experience. The API of iTextSharp is different from iText7, requiring developers to familiarize themselves with the new API when migrating from iTextSharp to iText7.
Improved Performance: iText7 offers improved performance compared to iTextSharp. It utilizes a more efficient rendering engine, resulting in faster document generation and manipulation.
Enhanced PDF Standards Compliance: iText7 has better compliance with the PDF standards, such as PDF/A, PDF/UA, and PDF 2.0. It provides advanced features for creating and validating PDF documents that conform to the latest standards.
Modular Licensing: iText7 introduced a more flexible and modular licensing model. Developers can choose the specific modules they need, allowing for more cost-effective licensing based on their requirements. iTextSharp, on the other hand, has a more traditional licensing model.
Support and Documentation: iText7 benefits from more comprehensive support and documentation compared to iTextSharp. It has a dedicated support team and a wide range of resources, including tutorials, examples, and API documentation, making it easier for developers to get started and resolve any issues they encounter.
In summary, iText7 offers a redesigned API, improved performance, better compliance with PDF standards, modular licensing options, and comprehensive support and documentation, making it a recommended choice for developers over iTextSharp.
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