I want a Web browser

I am looking for a web browser that has a customizable user interface. I want to be able to personalize the browser to fit my needs. I need the browser to be compatible with Windows. Additionally, I need it to run my website properly without any issues. I do not require any specific browser extensions or add-ons to be integrated. The ideal freelancer for this project should have experience in web development and browser customization. They should be able to deliver a fast browsing speed and ensure strong security and privacy measures are in place.