Style Injector Pro

Style Injector Pro lets you inject custom CSS per-site with minimal permissions. Save, apply, and clear styles right from the popup.

Style Injector Pro gives you full control over how websites look by allowing you to inject your own custom CSS styles instantly. You can create, edit, and save CSS rules for each site individually, applying them directly from the popup interface. Whether you want to improve readability, hide distractions, or personalise page layouts, Style Injector Pro makes it simple and secure — all while using minimal permissions and full Manifest V3 compliance.