Sites and apps similar to PDFinch include wkhtmltopdf, which is free and open source. Other options are puppeteer, Prince XML, WeasyPrint and Doppio.sh. In total there are five Web Testing Tools like PDFinch for Mac, Windows, Linux and self-hosting.
wkhtmltopdf and wkhtmltoimage are open source (LGPLv3) command line tools to render HTML into PDF and various image formats using the Qt WebKit rendering engine.
Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. It can also be configured to use full (non-headless) Chrome or Chromium.
One of the best HTML to PDF converter. Gives you immense control over the process and great customization with CSS. Support for JavaScript and SVG.
Australia
WeasyPrint is a visual rendering engine for HTML and CSS that can export to PDF. It aims to support web standards for printing.
France
EU
API for developers that enables you to generate beautiful documents or screenshots and store them directly in your own S3 bucket without compromising privacy
