{ "name": "Ring Size Calculator", "short_name": "Ring Size Calc", "description": "Free ring size calculator, on-screen sizer and converter for US, UK, EU, Japanese and Indian sizes.", "lang": "en", "display": "standalone", "scope": ".", "start_url": ".", "background_color": "#ffffff", "theme_color": "#20242e", "icons": [ { "src": "favicon.png", "sizes": "192x192", "type": "image/png" }, { "src": "icon-512.png", "sizes": "512x512", "type": "image/png" } ] }