How to Enable Java in Chrome

And disable it as well

If you're running the latest version of Google Chrome, web pages with embedded Java applets no longer work. This is because NPAPI plugins like Java are no longer supported by versions of Chrome after version Chrome 41. Use a plugin to gain access to Java.

The instructions in this article apply to Chrome 42 or later.

How to Use the IE Tab Chrome Extension

One way to enable Java in a newer Chrome browser is to install the IE Tab Chrome extension.

The IE Tab extension opens the page using the Internet Explorer engine inside of the Chrome browser. Since IE still supports Java, the page will also successfully load the Java applet.

  1. Install the IE Tab Chrome extension from the Chrome web store.

    Screenshot of the IE Tab Chrome extension
  2. Restart the Chrome browser and visit the Java version test. You'll likely see the failure status page. Select the IE Tab icon in your browser menu to re-open the tab using the new extension.

  3. Now you'll see the Java version successfully displayed.

    Screenshot of a successful Java version test

    When you visit the test page, you may need to select the link to upgrade your version of Java if you don't have the latest installed. If you need to upgrade, make restart the Chrome browser before opening the test page again.

How to Use the CheerpJ Applet Runner Chrome Extension

The CheerpJ extension for Chrome lets you run Java applets inside of the Chrome browser, without even having to install Java on your system at all.

This Java applet Chrome extension is especially convenient because you don't have to reload the web page in a new tab. You simply enable loading Java applets and all applets on the page will run as normal.

This extension requires Javascript be enabled in Chrome. To do so, go to Settings > Advanced > Privacy and security > Site Settings > Javascript, then make sure Allowed is enabled.

  1. Install the CheerpJ Applet Runner Chrome extension. Once installed, the extension appears as a shield icon in the Chrome toolbar.

  2. When you visit a page with a Java applet, select the CheerpJ icon, then select Run Applets to enable the Java applets on the page.

    run applets
  3. Once enabled, you'll see all of the applets run inside your Chrome browser as they normally should.

    Screenshot of CheerpJ extension enabled

    The CheerpJ applet runner Chrome extension may take a little longer than other solutions when the Java applets load.