Elrond convertors tool that is written in typescript and uses erdjs.
It runs in browser and allows one to make the conversions that are necessary for interacting with the Elrond Blockchain.
Download locally the needed libraries (bootstrap.min.css, bootstrap.min.js and jquery-3.5.1.slim.min.js)
browserify and http-server are required. They can be installed as follows:
npm install --global browserify
npm install --global http-server
npm install (first time only)
npm run compile
npm run serve
open localhost:7777 in browser.