ZEAL is an extension for the Chrome web browser. It is available here: https://chrome.google.com/webstore/detail/bdjlofcdofdiihogoabfkeeminmojplk
ZEAL accesses your browsing history and regularly syncs it to a local database so that you can search and browse your browsing history. The data ZEAL accesses and stores is never transmitted over the network or shared with anyone. It stays on your computer.