Is Monochrome Mode — Grayscale Browsing for Focus safe?

Turns websites grayscale with a one-click toggle for calmer browsing.

This extension lets you switch grayscale mode on or off from the extension icon. The setting applies across all tabs, creating a black-and-white browsing experience for reading, studying, coding, work sessions, or less stimulating social feeds. The store description says no account is required and no data is collected.