Screenshot API for ASP.NET Core: Screenshots and PDFs from C# Without Puppeteer

Screenshot API for ASP.NET Core: Screenshots and PDFs from C# Without Puppeteer If you need to capture screenshots or generate PDFs inside an ASP.NET Core application, the self-hosting path is painful. Puppeteer Sharp pulls in Chromium. Selenium requires a browser driver. Both options add deployment complexity, memory pressure, and maintenance overhead to your .NET service. A REST API handles all of that. You POST a URL or HTML, get back a binary file. This guide shows how to integrate the PageBolt API into ASP.NET Core using HttpClient — including screenshots, HTML-to-PDF, invoices, and visual monitoring. Why Not Puppeteer Sharp? Puppeteer Sharp works, but it comes with tradeoffs: Docker image bloat — Chromium adds 300–600 MB to your container. Memory leaks — Long-running browser instances in a hosted service need careful lifecycle management. Blocked renders — Many sites detect headless Chrome and serve different content. Platform differences — Linux font rendering and Windows render