What do you use? (e.g., Vanilla, Fabric, Forge)

: High risk of permanent bans on managed community servers.

Open the game and go to Options > Resource Packs.

An X-ray resource pack works by making most of Minecraft's common blocks—such as stone, dirt, andesite, diorite, and gravel—completely transparent.

It clearly highlights ores while making all other blocks invisible. B. Oresome X-Ray