Simply as the title.
Hello @adamdb17 and welcome to the Community!
Thank you for taking the time to share your thoughts with us.
In regards to your suggestion, there are no foreseeable plans to integrate extensions with Safepay at the moment. The secure browser is not scheduled to receive any major upgrades in the upcoming months.
Nevertheless, your contributions and ideas are always welcome and please feel free to share with us any other suggestions that come to mind in the future. The product developers are always open to new ideas coming from our users and will always consider the concepts that have true potential of making it into production.