ChatGPT ViewTuner

Tracking since May 30, 2026.

Changelog

• Jun 5, 2026
  description

  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.

  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

Permissions & access

Permissions

storage

Host access

None declared

Screenshots