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Build enterprise-grade encrypted PDFs with AES-128 protection, password controls, and fine-grained permissions in just 5 lines of code. See why TerraPDF beats iText, PdfSharp, and QuestPDF for secure document generation.

Generate professional PDF invoices with just 30 lines of actual generation code using TerraPDF's fluent API. Complete working example with tables, headers, footers, totals, and multi-page support — all in a clean, declarative style.

Compare three leading .NET PDF libraries: TerraPDF (modern MIT-licensed), iTextSharp/iText 7 (powerful but AGPL), and PdfSharp (classic open-source). We examine licensing, performance, API design, and real-world use cases with accurate, up-to-date facts.

Learn how to generate PDF files in .NET without relying on third-party libraries. Understand the PDF specification, build a lightweight PDF generator from scratch, or use TerraPDF — a real zero-dependency library that's production-ready.

Fluent 2 is Microsoft's modern design system providing comprehensive design tokens and components. Learn how to get started implementing Fluent 2 in your projects.

Website performance is crucial for user experience and SEO. Slow websites lose visitors and rank lower in search results. Learn practical techniques to optimize your site.