RTX Reactor is a premium project from Vanilla RTX's developer originally introduced in 2023, its job is to allow you to use your any of your favorite Bedrock Edition texture packs with ray tracing. It does so by generating full RTX support for them.
All you need to do is to give it a regular Minecraft texture pack! RTX Reactor processes it locally and outputs the fully ray tracing-capable version.

The vision for RTX Reactor is to have it generate packs that would be usually better or no different than when the average resource pack author tries to add ray tracing support to their texture packs (which in reality most never do, there are very few original non-vanilla texture packs for ray tracing floating around the internet)

RTX Reactor eliminates lots of manual human effort, so that players are no longer limited to Vanilla RTX or a few Minecraft RTX capable resource packs, but instead thousands.

Previously it was an exclusively available to Ko-Fi members with a promise to eventually become free once it reaches the final stages of development.
That promise was fulfilled later in September of 2026, roughly 3 years after the initial release RTX Reactor joined the Vanilla RTX App as one of its many features. Becoming open-source and free to use...