How to do it
- Check the edition and version on your Minecraft title screen. This tool supports Java Edition.
- Enable cheats in your world or obtain operator permissions on your server.
- Choose your version below, copy the command, and paste it into chat using T.
Java 1.21.4 example
/effect give @p minecraft:night_vision 600 0 true
The effect lasts 10 minutes. On Java 1.12.2 the undo command removes ALL effects, not just night vision.
Other releases, apart from the listed releases, may use different syntax. The interactive form only generates commands for the selected supported version.