HTML to PDF with Ruby and Selenium

Install Selenium Webdrivers for Ruby

gem install webdrivers

Convert HTML to PDF and save to file

require 'webdrivers'

options = Selenium::WebDriver::Chrome::Options.new
options.add_argument('--headless')

driver = Selenium::WebDriver.for :chrome, options: options

html = "<html><body><h1>Hello World</h1></body></html>"

driver.get("data:text/html;charset=utf-8," + html)

driver.save_print_page("./page.pdf")

Find out how to change the size of the viewport with Ruby and Selenium.

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