{"name":"Universal Unit Converter","short_name":"CalcMate","description":"Convert length (m↔ft, km↔miles), weight (kg↔lbs), volume (L↔gal), and temperature (°C↔°F) using exact NIST-defined factors: 1 inch = 25.4 mm (exact), 1 lb = 0.453592 kg. Free, no data stored.","start_url":"/en/other/unit-converter","display":"standalone","background_color":"#ffffff","theme_color":"#10b981","icons":[{"src":"/icons/web-app-manifest-192x192.png","sizes":"192x192","type":"image/png","purpose":"any maskable"},{"src":"/icons/web-app-manifest-512x512.png","sizes":"512x512","type":"image/png"}]}