Customizing Asp.net Core - 5.0 Pdf ((free))

await new BrowserFetcher().DownloadAsync(); using var browser = await Puppeteer.LaunchAsync(new LaunchOptions Headless = true ); using var page = await browser.NewPageAsync(); await page.SetContentAsync(html); return await page.PdfDataAsync(new PdfOptions

columns.RelativeColumn(); columns.RelativeColumn(2); ); table.Cell().Text("Item"); table.Cell().Text("Description"); ); page.Footer().AlignCenter().Text("Generated by ASP.NET Core 5.0"); );

page.Size(PageSizes.A4); page.Margin(2, Unit.Centimetre); page.Header().Text("Custom Invoice").SemiBold().FontSize(20); page.Content().Table(table => customizing asp.net core 5.0 pdf

table.ColumnsDefinition(columns =>

private readonly string _title; private readonly List<string> _items; public CustomPdf(string title, List<string> items) => (_title, _items) = (title, items); await new BrowserFetcher()

container.Page(page =>

public void Compose(IDocumentContainer container) await new BrowserFetcher().DownloadAsync()

| 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 |