Resolution Test could be a possible alternative.
Resolution Test changes the size of the browser window for developers
to preview their websites in different screen resolutions. It includes
a list of commonly used resolutions and the ability to customise that
list. It also gives users the option to turn on Google Browser Size.
It is available in the Chrome webstore:
https://chrome.google.com/webstore/detail/resolution-test/idhfcdbheobinplaamokffboaccidbal
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