How to Make a Desktop Pet on Your Computer (3 Ways)

First, define the result

What is a desktop pet?

A desktop pet is a small animated companion that appears on your computer screen. A true desktop pet is not just a wallpaper or a video player: it can float above other windows, move to a different part of the screen, and react when you interact with it.

That definition matters because the three methods below do not produce exactly the same thing. A ChatGPT pet helps you follow activity inside supported ChatGPT experiences. A standalone build can behave however you program it. DeskBub is an independent Windows and Mac app designed to keep a real pet visible above everyday apps.

Create a custom pet with Codex

If you use the ChatGPT desktop app, its Pets feature can start a custom-pet workflow for you. OpenAI's current instructions are straightforward:

1. 1

   Open Settings → Pets in the ChatGPT desktop app.

2. 2

   Choose “Create your own pet.” The app installs the bundled hatch-pet skill and opens a new task.

3. 3

   Describe the pet you want. Include a clear reference photo and the features that must stay recognizable.

4. 4

   When Codex finishes, return to Settings → Pets, choose Refresh, and select the new pet.

OpenAI says desktop-app custom pets are stored locally and do not automatically sync to ChatGPT on the web. Read the current official Pets instructions before starting, because product interfaces can change.

Build a standalone desktop pet yourself

This route gives you the most control. It also means building more than an animation. The “pet” usually lives inside a transparent, borderless application window, while the app manages movement, clicks, menus, system startup, and packaging.

Your minimum build checklist

• Transparent animation

  Prepare a transparent sprite sheet, WebM, PNG sequence, or another format your framework can render cleanly.

• Borderless window

  Remove normal window chrome and keep the background transparent.

• Desktop behavior

  Add always-on-top, dragging, click handling, Show/Hide, size, and opacity controls.

• Animation states

  Decide when the pet is idle, happy, sleeping, moving, or reacting.

• System integration

  Add a tray or menu-bar control, startup settings, and safe quit behavior.

• Packaging and QA

  Create separate Windows and macOS builds, then test permissions, scaling, CPU, memory, and multiple displays.

Godot is a good fit when your pet behaves like a small game. Electron or Tauri works well when you are comfortable with web technologies. Python with Qt can be useful for a personal prototype. Whichever route you choose, test the transparent window and click behavior early; those parts determine whether the result feels like a desktop pet rather than a video with no border.

Use DeskBub with your own pet photo

DeskBub is for the person who wants the result—not another software project. You provide a clear photo of your actual pet, DeskBub turns it into transparent animations, and the desktop app handles the floating window and controls on Windows or Mac.

ONE REAL PET PHOTO

ANIMATED FOR THE DESKTOP

1. 1

   Upload one clear photo

   Start with a dog, cat, rabbit, bird, or another pet.

2. 2

   Choose your option

   Pick the level that matches the number of actions you want.

3. 3

   Get transparent animations

   Review the generated movements made from your pet.

4. 4

   Pair the desktop app

   Enter the pairing code and place your pet above your apps.

Side-by-side

Which method should you choose?

Choose Codex if you already use ChatGPT and enjoy directing the creation process. Build your own app if complete control matters more than time. Choose DeskBub if the non-negotiable part is simple: the companion on your desktop should be your own pet.

Better input, better result

Choose a photo that can survive animation.

Whichever AI-assisted route you use, the reference photo does a lot of the work. Start with an image that makes your pet's identity easy to read.