Live demo

Run your Java app in the browser

Drop a runnable JAR below and CheerpJ will boot it directly in this page — no install, no plugin, no rewrite.

  1. 1 Drop or browse to your .jar file
  2. 2 Hit Launch on the queued item
  3. 3 Your Java app runs live in the browser

Drop files here

CheerpJ idle
Drag and drop JAR files here

Waiting for a JAR.

Drop a JAR to queue it here.