Minecraft wiki entry for Debug_mode, associated text: Debug world in version 14w26b
Large overview (14w26b)
Grid overview (14w26b)
Low block ID overview (14w27b)
Grid overview (14w27b)
(14w32d–Java Edition 1.8.9)
(15w49a–Java Edition 1.9.4)
(16w20a–Java Edition 1.10.2)
(16w39b–Java Edition 1.11.2)
(17w47a-Java Edition 1.13)