ChatGPT ViewTuner

Adds configurable ChatGPT width, theme, table, and font controls.

Summary ChatGPT ViewTuner (aka ChatGPT VT) lets you customize ChatGPT’s visual layout for a more readable, comfortable experience. Adjust page width, background color, table styling, font family, and font size directly from a small in-page Tune button or the extension options page. Short Description Customize ChatGPT width, themes, tables, and fonts for a cleaner reading experience. Detailed Description ChatGPT ViewTuner gives you simple visual controls for making ChatGPT easier to read and work with. Features include: - Width modes: Native, Cozy, Wide, Ultra, and Full - Background themes: Gray, Warm, Blue, Green, Yellow, Dim, and Blue Dim - Table formatting options for cleaner, more structured tables - Font family and font size controls - A lightweight in-page Tune button for quick changes - Saved preferences using Chrome sync storage The extension only changes the visual presentation of ChatGPT pages. It does not collect, sell, transmit, or analyze your chat content. -- If anyone has feedback, or additional features they'd like to see please let me know. I'll continue to improve this extension as I use it on a daily basis. -- 6/1/26 - Update v1.18 - made some cosmetic changes (improved colors, shading, selection) - also improved performance for text input and response