He knew that rendering a Razor view to a string outside of a controller context was tricky in .NET Core 5.0. He needed to use IRazorViewEngine .
| Approach | Memory per request | Concurrency | Notes | |----------|------------------|-------------|-------| | PuppeteerSharp | ~100-200 MB | Poor (reuse browser instance) | Use singleton browser, parallel pages | | IronPDF | ~80-150 MB | Moderate | Pool browser processes | | QuestPDF | ~5-20 MB | Excellent | No external processes | | PdfSharpCore | ~5-15 MB | Excellent | Pure .NET |
The invoice details are dynamically populated from a model containing invoice items, client details, and the total amount. The doc... YouTube Show all Library Best For Key Customization Feature QuestPDF Layout-heavy reports A Fluent API that provides a real-time preview tool (Hot Reload) for instant visual feedback. DinkToPdf HTML conversion Lightweight wrapper that supports complex layouts, CSS, and headers/footers via WebKit. IronPDF High-fidelity rendering Uses a Chrome-based engine for the most accurate conversion of modern web content to PDF. Syncfusion PDF Enterprise features Support for digital signatures, PDF/A compliance , and interactive form fields. PdfSharp Basic document editing An open-source, lightweight option for merging, splitting, or adding simple text and images to existing templates. Implementation Tips Middleware Integration
// Aris configures the PDF converter as a Singleton // He creates a custom implementation to handle the thread safety services.AddSingleton(typeof(IConverter), new SynchronizedConverter(new PdfTools()));
The most flexible way to customize PDFs is by leveraging the . Instead of rendering to the browser, you render the view to a string and then pass that string to a PDF renderer.
He knew that rendering a Razor view to a string outside of a controller context was tricky in .NET Core 5.0. He needed to use IRazorViewEngine .
| Approach | Memory per request | Concurrency | Notes | |----------|------------------|-------------|-------| | PuppeteerSharp | ~100-200 MB | Poor (reuse browser instance) | Use singleton browser, parallel pages | | IronPDF | ~80-150 MB | Moderate | Pool browser processes | | QuestPDF | ~5-20 MB | Excellent | No external processes | | PdfSharpCore | ~5-15 MB | Excellent | Pure .NET |
The invoice details are dynamically populated from a model containing invoice items, client details, and the total amount. The doc... YouTube Show all Library Best For Key Customization Feature QuestPDF Layout-heavy reports A Fluent API that provides a real-time preview tool (Hot Reload) for instant visual feedback. DinkToPdf HTML conversion Lightweight wrapper that supports complex layouts, CSS, and headers/footers via WebKit. IronPDF High-fidelity rendering Uses a Chrome-based engine for the most accurate conversion of modern web content to PDF. Syncfusion PDF Enterprise features Support for digital signatures, PDF/A compliance , and interactive form fields. PdfSharp Basic document editing An open-source, lightweight option for merging, splitting, or adding simple text and images to existing templates. Implementation Tips Middleware Integration
// Aris configures the PDF converter as a Singleton // He creates a custom implementation to handle the thread safety services.AddSingleton(typeof(IConverter), new SynchronizedConverter(new PdfTools()));
The most flexible way to customize PDFs is by leveraging the . Instead of rendering to the browser, you render the view to a string and then pass that string to a PDF renderer.