HTML5 Universal Speed Hack is a Chrome add-on developed by Rafael Lima that allows users to speed up or slow down browser games and HTML5 content. This free tool is designed to enhance the gaming experience by providing users with the ability to adjust the game speed according to their preferences.

With HTML5 Universal Speed Hack, users can easily modify the speed of browser games and HTML5 content, allowing for more control and customization. Whether you want to breeze through levels or take your time to strategize, this add-on offers a simple and effective solution.

It's worth noting that HTML5 Universal Speed Hack is completely free to use. However, the developer kindly asks for donations to support his work and his family. If you find this add-on useful, you have the option to contribute via PayPal or Mercado Pago.

Please note that the add-on does not provide any direct support or contact information. For more information or assistance, you can visit the developer's forum or reach out via email.