Translations:List of client commands/7/en

.debug

• .debug normalview
  Shows vertex normals instead textures, but does not discard transparent pixels.
• .debug wireframe [value]
  Running .debug wireframe will give some help info.
  • entity
    Shows entity collision boxes.
  • chunk
    Shows chunk borders.
  • serverchunk
    Shows server chunk borders.
  • region
    Shows region borders.
  • blockentity
    Shows block entity borders e.g. of large gear.
  • ambsounds
    Shows ambient sound borders e.g. of flowing water.

List of server commands/debug also exists. Use .help debug for more info on debug commands.