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Download Vanilla 1.21.11 Server

The Vanilla server JAR for Minecraft 1.21.11, direct from the official source. Build details, release date and Java requirements below.

Java required

Java 21

Released

Dec 9, 2025

File size

54 MB

Channel

Stable

SHA-1 checksum

64bb6d763bed0a9f1d632ec347938594144943ed

Latest stable build

1.21.11

Vanilla

Download JAR

Setup

Start script (Linux/macOS)

java -Xms2G -Xmx2G -jar server.jar nogui

Start script (Windows)

java -Xms2G -Xmx2G -jar server.jar nogui
pause

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Other Minecraft 1.21 builds of Vanilla

Other builds in the 1.21.x line. The newest stable is selected by default above.

1.21.101.21.91.21.81.21.71.21.61.21.51.21.4
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