setting up to use the animation

How to install the browser extension to view Organic Chemistry animation

This is a temporary  fix for one-off installations. Write to me to be informed on progress with the HTML5 version. (This is a major undertaking: from Xmas 2021 to April 2022 I've reviewed 102 of 250 animations). 

In Microsoft Edge  

In Chrome 


  • If the ruffle extension isn't in the web store continue follow this text & video:
  • Click the latest "Chrome / Edge / Safari" link at ruffle. Keep a keen eye to see which folder the zip file goes into. Extract the zip file.
    Copy paste or type in the address bar: chrome://extensions/ (1)
    Turn on Developer mode in the top right corner (2).
  • Click Load unpacked (3) Select the folder you extracted the extension to (4).
  • Scroll down this page to see an animation

In Firefox

Right-click the latest Firefox .xpi download link at Ruffle Click "Save Link As..."
Navigate to about:debugging Click on This Firefox.
Click Load Temporary Add-on... Select the .xpi that you downloaded.

Watch video on Youtube or play below

Did it work?

Refresh this page and click to the right here > click the red double bond >

All set up?

About Organic Chemistry by Roger Frost

  • Provides 24/7 access to learning at home or school. Consistent and complete coverage for A level organic chemistry
  • It works like a web site and can be used on both Mac OS and Windows. Use on IOS and Android devices is also possible.
  • You can buy student + teacher access or just teacher access. See menu above
  • The LICENCE AGREEMENT asks you to limit access to your own staff & students