Usage

1. Prepare a file with emotes from the chat. (list of name / url pairs separated by spaces).
   Sample script for getting a list of youtube live chat emotes from the browser console:

   Array.from(
     document
       .querySelectorAll('img[role="option"][class*="emoji"][aria-label^=":"]')
       .values()
   )
     .slice(0, 20)
     .map((e) => e.getAttribute("aria-label") + " " + e.getAttribute("src"))
     .join("\n");

   Sample file.

2. Prepare a file with messages from the chat. (csv file with timestamp,author,message fields).
   Sample file.

3. Click the link, fill in the fields, upload the prepared files, and click render.
   Sample result: