Open manifest.json
Open source icon (*.png, *.svg)
Generate
{ "manifest": { "name": "AppName", "short_name": "App", "description": "Description.", "dir": "auto", "lang": "en-US", "display": "standalone", "orientation": "portrait", "scope": "/", "start_url": "/?homescreen=1", "background_color": "white", "theme_color": "white" }, "path": "/", "icons": { "favicon": true, "android": true, "apple": { "offset": 15 }, "appleStartup": { "offset": 15 } }, "headers": true }
Config:
Page
WebWorker