GPThemes - ChatGPT Customization
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Transform ChatGPT's user interface with customisable accent colours, modern designs and chat bubbles.

😨 IMPORTANT 😨 • So, you know how you see that super spooky warning about extension having the ability to read your browsing history? 👻 Boo! Yeah, I'm shivering in mine boots too (not really). • Let's break it down: All I want to do is open a single, harmless tab to show you my shiny new changelog. That's it. Nada. Zilch. But to do that, extension need the "tabs" permission, which for some mysterious reason translates to "READ ALL YOUR BROWSING HISTORY" in Chrome's language. I know, it sounds like I'm plotting world domination by snooping on your cat video binge-watching sessions, but trust me, I'm not that interested. • If only Chrome would say something more accurate like, "This extension can open a tab to this URL: chrome-extension://asfa9s8t20t...", we'd all sleep better at night. But no, they went full-on Halloween on us with "READING YOUR BROWSING HISTORY". 🎃 So, rest easy knowing I'm not lurking in the shadows of your browser history. I'm just excited to show you what’s new. Pinky promise. • Stay awesome and enjoy the updates! 🎨 WHAT AWAITS YOU 🎨 • Custom Fonts: Personalize your ChatGPT interface with custom fonts, including font family, size, line height, and letter spacing. • Custom Accent Color: Personalize your chat experience with your chosen accent color, adding a unique touch to your conversations. See the live preview as you're selecting your perfect hue • Modern Themes: Light, Dark, and Black (AMOLED) for a stylish and more visually appealing experience. • Chat Bubbles: Modern and sleek conversation design that clearly differentiate your messages from the AI's responses. • Effortless Theme Switching: Change themes on the fly with a single click using floating button. Well, fine, Mr. Nitpicker, technically it's a two-click saga 🥲 • Clean and Spacious Layout: No more feeling cramped, just generous spacing and clean lines for smooth chat sessions. Breathing unlocked. • Subtle Animations: Enjoy a touch of elegance with subtle animations that enhance readability and flow. 🚀 DISCLAIMER 🚀 I'd like to remind you that ChatGPT frequently updates its website, and even minor changes can sometimes cause unexpected issues with the extension's functionality and appearance. Your patience are greatly appreciated. If you notice any obvious issues with the appearance or functionality of the extension, I'm likely already working on it or it has already been fixed, but Chrome hasn't yet reflected the changes live. You can track the status on GitHub to stay informed. Please note that this is a hobby project and it all depends on my available free time, but I'm working to resolve everything as soon as possible. Thank you for your understanding. 🔒 PERMISSIONS 🔒 • Storage: Saves your chosen theme for a consistent experience across all ChatGPT's URLs • ChatGPT Website Access: Enables GPThemes to customize the visual elements on "" and "" (new domain) for the optimal experience. • Notifications: GPThemes uses this permission to notify you when a new update for the extension is available. Clicking on the notification will open the changelog in a new tab, allowing you to easily review the changes. • Tabs: This permission is used in conjunction with notifications. When you click on an update notification, GPThemes will open a new tab and automatically direct you to the changelog, providing you with information about the latest changes and improvements to the extension. 🚨 WARNING 🚨 Please be aware that GPThemes is currently tailored to enhance the experience for GPT-4o & GPT 3.5. The GPT-4 Pro is not fully supported yet! Probably the style is not as intended for certain elements! 🕊️ FREE AND OPEN SOURCE 🕊️ GPThemes is not just an enhancement, it's a commitment to freedom. Embracing the spirit of open source, GPThemes is freely available for all users, ensuring an inclusive and accessible improvement to your ChatGPT experience. 🔗 🤝 FEEDBACK AND SUPPORT 🤝 If you encounter persistent issues or have suggestions for improvement, please feel free to open an issue on GitHub or contact me via email. Your feedback is invaluable and helps me identify and resolve problems more effectively 🔗 📫

5 out of 57 ratings

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RicoJun 2, 2024

Most beautiful theme.

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DunamisApr 16, 2024

Colour looks great, makes it feel alot better now. Looking forward to seeing what comes next. Great work.

1 person found this review to be helpful
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MartaDeveloperMay 28, 2024

Hey there! Thanks so much for the feedback. I hope you're still using GPThemes. If so, I'm guessing you've tried the accent theme, and if you have any new suggestions, please share them with me. Anyway, I'm currently working on custom fonts, so if you have a favourite font you'd like to apply, I'd love for you to share it with me. Thanks so much for taking the time to review! Have a great day!

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samkeMar 27, 2024

It looks very good, just add an option so the user can change the accent color (e.g. to make it green or red instead of purple).

1 person found this review to be helpful
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MartaDeveloperApr 2, 2024

I really appreciate your feedback. Actually, the custom accent color is currently in progress, and once testing is complete, it will be available in production. It can be expected in one of the upcoming updates soon. Thank you for the review! Have a good time.


  • Version
  • Updated
    June 10, 2024
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  • Non-trader
    This 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.


The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

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


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