Generally strictly prohibited. Using X-Ray to find players and bases in PvP modes can result in a permanent ban.

Once loaded, the textures will change, allowing you to see through blocks immediately. The Ethics of Using X-Ray Packs

Exploring natural, open cave systems exposes a massive surface area of stone blocks quickly, allowing you to spot exposed ores without digging blindly.

If you find completely invisible blocks disorienting, the wireframe pack is a great alternative. It leaves a faint, glowing neon border around regular blocks so you can still navigate caves without falling into hidden lava pits. https://imgur.com 3. Combined PvP and X-Ray Texture Pack

If you can't find a pack you like, you can create your own. This is easier than you might think:

Join any game mode (such as Survival, Creative, or Peaceful).

This is often due to game updates breaking older packs. Try a pack confirmed to be updated, or search for newly uploaded ones.