Llmural

Llmural is a browser extension designed to personalize the appearance of AI chat interfaces, specifically supporting ChatGPT, Gemini, and Claude. It addresses the need for customization in these environments by allowing users to modify backgrounds and fonts according to their preferences.

The tool provides a range of customization features, including the ability to pick any background color with full transparency support and choose from 32 different fonts across various style categories. Users have full control over font size and color, and can undo, redo, or disable changes without losing their settings. Llmural also offers separate styling options for AI output responses and user messages, enabling different fonts, sizes, and colors for each. No login or setup is required to use the extension, and it claims zero impact on page performance. Privacy is emphasized, with assurances that the extension never reads, collects, or shares user data, and only display preferences are saved.

Llmural is available for Chrome, Firefox, and Edge browsers. The upcoming Pro version will introduce additional features such as per-site settings, allowing different fonts and backgrounds to be set independently for each supported AI platform. otf formats and apply them across all three sites, as well as use animated dynamic backgrounds. The Pro plan is priced at $3 per month or a $10 lifetime payment, with new features promised to be added over time and included in the purchase.

The extension is not affiliated with OpenAI, Google, Anthropic, or any of their products. Its focus on privacy and user control makes it a solution for those seeking a more personalized and visually distinct experience when interacting with popular large language model chat platforms.