If you want to convert Minecraft Bedrock world to Java and enjoy the host of mods, shaders, and texture packs, you're in luck.

Steps to download and use the Super Duper Vanilla shader pack for Minecraft Java Edition 1) Find Super Duper Vanilla shader pack Super Duper Vanilla shader can be easily found on CurseForge.

For Iris Shaders (for modern visuals and fabric users), go to the Iris Shaders page— https://irisshaders.net, download the Fabric version for 1.21.5, and then install it using the Fabric mod loader.

Here is a step-by-step comprehensive guide on how you can download, install, and use the shaders within Minecraft 1.21.5 to ensure the best visual experience.