Shimeji — Desktop Pet

Shimeji has advanced significantly. The newest 2026 versions feature: Shimeji Browser Extension

A character pack is the specific image set (sprites) for the pet. These come as .zip or .rar files.

: For the new character to appear, you need to close the Shimeji program completely (right-click the system tray icon and select "Exit All Shimeji") and then relaunch Shimeji-ee.jar . Your Shimeji will now appear as the new character!

Ensure you have the correct version of Java installed. If you are on a 64-bit operating system, make sure you installed 64-bit Java. desktop pet shimeji

To change your Shimeji, you need to add new character folders.

is one of the most popular browser extensions, available for both Chrome and Firefox. It works differently from the desktop app, as it doesn't require Java and lives entirely within your browser. This extension features over 400 characters and has no spawn or character limit, allowing you to have an army of cute companions navigating your tabs. With it, characters can sit, jump, climb, lie down, split into more characters, and consume others for a more interactive and chaotic experience. The extension is lightweight, privacy-focused, and free to use, with optional ad-based unlocks for extra characters.

Do you have a favorite custom Shimeji? Have you created your own desktop pet? Share your stories in the comments below! Shimeji has advanced significantly

If you use a Chromebook, Mac, or simply prefer not to install standalone software, the is an excellent alternative available in the Chrome Web Store.

While Western desktop pets died out due to security risks and changing OS architectures, Japan kept the spirit alive. The Shimeji-ee program was released, allowing users to run Java applets that behaved like complex eSheep. These were initially mushroom-themed, which explains the name "Shimeji."

You can pick them up with your mouse cursor, drag them, and throw them 1.2.2 . : For the new character to appear, you

Safely removes the pets from your screen when you need to focus.

Open the folder and look for a file named Shimeji.jar or Shimeji-ee.jar . the .jar file.

As the original creator once said, it might be the "world's most useless mascot". But sometimes, the most useless things are also the most delightful. So why not invite a tiny, mischievous friend onto your screen today?