A Chrome browser extension
Available free for Chrome: https://chrome.google.com/webstore/detail/entity-explosion/bbcffeclligkmfiocanodamdjclgejcn and for Firefox: https://addons.mozilla.org/en-US/firefox/addon/entity-explosion/
Further information and demo video: https://www.wikidata.org/wiki/Wikidata:Entity_Explosion
It is still under active development. I have more features planned.