BotGentz - Colour Blindness Simulator

BotGentz – Colour Blindness Simulator helps you experience the web through the eyes of users with colour vision deficiency. With a single click, this extension applies a real-time colour filter overlay to any website, simulating protanopia, deuteranopia, and tritanopia. It is an essential tool for designers, developers, and content creators who want to make their work more accessible.

How it works: Open the popup, choose your simulation mode, and press Start. The filter stays active as you navigate within the same tab, giving you a seamless browsing experience. Use the Safe mode for a gentle, frame‑by‑frame simulation or Fast mode for a quicker sweep. An optional keyword filter lets you target specific page elements, making it perfect for testing individual components.

Try before you buy: The free trial includes 12 simulation actions. Once you have seen how your sites look to colour-blind users, unlock the full version with a one‑time payment of $6.99. No subscriptions, no hidden fees — just unlimited use forever.

Your privacy matters: This extension runs entirely in your browser. It does not collect any data, send any analytics, or connect to any remote servers. Everything stays local and private.

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