Since Chrome extensions are risky for this purpose, users typically use these alternatives:
While Tezfiles does not have one "official" extension, several third-party tools are highly effective at capturing and accelerating downloads from their servers.
Go to chrome://extensions and toggle "Developer Mode" off. Turn on "Developer Mode" on. Click "Update" at the top of the page. If your Tezfiles downloader is legitimate, it will update automatically here.