Ballpark Passport Companion

Detect MLB ballparks while you browse and save them to your Chrome ballpark list.

Ballpark Passport Companion helps baseball fans recognize MLB ballparks while browsing the web. Open the extension on a stadium guide, team page, ticket listing, or travel article to identify the featured ballpark. You can mark it as visited, add a visit date, save it to your wish list, and quickly return to the official Ballpark Passport website. Features: • Recognizes all 30 current MLB ballparks • Detects stadiums, teams, cities, URLs, and former ballpark names • Saves visited parks and visit dates • Creates a personal ballpark wish list • Adds a discreet link back to Ballpark Passport • Allows manual selection when no ballpark is detected Privacy first: Ballpark Passport Companion checks a page only when you open the extension. Your saved ballparks remain stored locally in Chrome. The extension has no advertising, analytics, background tracking, or account requirement. Please note: Chrome visit and wish-list information does not currently sync with the Ballpark Passport iPhone app. Ballpark Passport is an independent fan-made app and guide. It is not affiliated with, endorsed by, or sponsored by Major League Baseball or any MLB team.