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I note it can read and edit anything you do on a website, not sure how safe that is, will ponder it a little more before I decide whether to add the extension

Unfortunately it needs the info in order to determine if you are on a site that participates. A lot of extensions are the same way, depending on their purpose.
https://www.howtogeek.com/291095/why-do-chrome-extensions-need-all-your-data-on-the-websites-you-visit/

Yeah thats true i guess, Will do a little more research and then probably sign up

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