Overview
A chrome extension for ChatGPT Background UI
Wait… why does your ChatGPT look so much better? Because it’s powered by Nebula UI — the ultimate Chrome extension that reimagines your ChatGPT interface with stunning visuals and modern design. With Nebula UI, you can: 🌌 Apply gorgeous, pre-built themes like Deathnote, Monochrome, Hacker Mode, Sketchbook, GPT-5 Style and more. 🖼️ Upload your own custom backgrounds for a personalized vibe. 🎨 Enjoy smooth glass effects, gradients, and animations. ⚡ Automatically restore your favorite theme every time you visit ChatGPT. 💎 We add new themes. No more dull, grey interface. Nebula UI makes ChatGPT feel futuristic, inspiring, and fun to use. ✔ Easy to set up — just click on the theme you want to apply. ✔ Privacy-first — no personal data collected only email. ✔ Built for creators, learners, and anyone who wants ChatGPT to look as powerful as it feels. Upgrade your ChatGPT today and see the difference ✨
Details
- Version1.2.1
- UpdatedNovember 8, 2025
- Offered byStelaris
- Size2.83MiB
- LanguagesEnglish (United States)
- Developer
Email
stelarisofficial@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Nebula UI | ChatGPT Background Themes has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
Nebula UI | ChatGPT Background Themes handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
