These are all the working duplication glitches in Minecraft 1.21.4 (Java Edition). Each method is fully tested and survival-friendly, letting you duplicate items, blocks, rails, carpets, and more ...

Duplication glitches are some of the most powerful glitches in all of Minecraft. These bugs are able to duplicate items, either as individual drops when broken or as entire storage container ...

Although Mojang keeps updating Minecraft Bedrock and Java Editions, new bugs and glitches keep popping up. Currently, Bedrock Edition is experiencing a bizarre glitch through which you can duplicate ...