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Every web page is an installable app! Generate or repair a Web Manifest for any web page.
This script will make every web page installable as an app on your local device1.
Your new app will be present in your list of native apps on your system. In your start menu, your home screen, wherever it makes sense.
It will load without the usual browser chrome and, in time, you may come to think of it as an app2 rather than a web page.
This works by generating a Web Manifest automatically, using what scraps of data we can find within the page.
In truth, many sites already have existing manifests, but many have stopped working due to rule changes in recent browsers.
In such cases, this script will attempt to repair the manifest to make the page/site installable as an app again.
Whichever the case, you'll find logs in your browser's Dev Tools detailing what the script was able to do.
1: If the web page has security rules preventing us from injecting our own manifest in the page, this won't work.
You may be able bypass that by using some beta versions of TamperMonkey and poking at their advanced settings, but you'd weaken the overall security model of your browser in doing so.
2: Because of the cookie cutter approach, many features available in Web Manifests are not leveraged here.
Don't expect to get the level of integration you might get from a properly crafted manifest lovingly tailored for a specific web app.
Most notably, your apps will not work offline. Icons may look severely upscaled. Integration with other apps will often be very limited.
Here's a simple example, turning google.com into a standalone app:
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