Custom theme

Sherlock Dark ChatGPT Theme

The two detectives stand above a composite London skyline. St Paul's and the river occupy the left, balanced by the Gherkin and bridge structures on the right.

A custom theme example made with StylerGPT. Not included in the extension’s built-in theme collection.

ChatGPT

How can I help you today?

Theme settings

Mode: Dark
Color palette: Stone
Background: Image
Font: Work Sans

Bubble colors

User messages

Text #f4f5f7

Assistant messages

Text #f4f5f7

Background

How this custom theme is designed

Dark stone bubbles harmonize with the city masonry. Work Sans keeps labels and longer replies clear beside the photographic setting. Opaque dark surfaces and off-white text keep the reading area steady while london behind the detectives remains in the wallpaper.

Recreate This Look on Chrome

Also for Firefox

Use StylerGPT to add your own wallpaper, apply these colors and font, and customize the result for your ChatGPT workspace.

Compare a few similar themes before you install

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Fallout Dark ChatGPT Theme: A weathered New Vegas sign balances the television cast in a dusty desert collage. Green shadows and worn leather give the scene a faded frontier character. Source: 4kwallpapers.com. Original artist not identified by the source page.

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Fallout Dark

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BTS Dark ChatGPT Theme: Seven members in dark suits stand across the frame holding awards.

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Fullmetal Alchemist Dark ChatGPT Theme: Edward and Alphonse stand beside a row of warmly lit stone arches. Lanterns and masonry occupy the left margin while Edward and his red coat hold the right.

Dark mode - custom theme

Fullmetal Alchemist Dark

The Elric brothers by the arches.

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God of War Dark ChatGPT Theme: Kratos approaches a bright opening between imposing basalt columns. The temple walls create a continuous stone frame even when the central gateway is covered.

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Lionel Messi Dark ChatGPT Theme: Two images of Lionel Messi fill opposite sides of a stormy mountain collage with Argentina crests and a small central nameplate.

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Lionel Messi Dark

Messi across a stormy Argentina collage.

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Make ChatGPT feel more personal without giving up readability

StylerGPT lets you combine your own wallpaper with deliberate colors, fonts, and message surfaces, then adjust the result in your actual workspace.

Rated 4.7/5 from 300+ Chrome Web Store reviews

"I've been trying to figure out how to change the theme of the ChatGPT interface. This extension makes my work a lot more fun."

Leo Liu

"Does well what it promises. Changes the theme, color scheme, and fonts as needed. Recommend it."

Amit Saxena

"It's honestly so simple and clean. Easy to use and makes GPT conversations more fun to use."

Arnt Evensen

"I found this extension on my very last search, and it meets all my needs. Or rather, it's exactly what I needed."

Viktor Bartuszek

"I've been using StylerGPT for a few months, and it's been a fantastic addition to my browser."

Jay

"I'm on a Chromebook, and unfortunately the font changed to Arimo, so I got this app to restore the previous font."

Erick Lopez

"I've been trying to figure out how to change the theme of the ChatGPT interface. This extension makes my work a lot more fun."

Leo Liu

"Does well what it promises. Changes the theme, color scheme, and fonts as needed. Recommend it."

Amit Saxena

"It's honestly so simple and clean. Easy to use and makes GPT conversations more fun to use."

Arnt Evensen

"I found this extension on my very last search, and it meets all my needs. Or rather, it's exactly what I needed."

Viktor Bartuszek

"I've been using StylerGPT for a few months, and it's been a fantastic addition to my browser."

Jay

"I'm on a Chromebook, and unfortunately the font changed to Arimo, so I got this app to restore the previous font."

Erick Lopez

"ChatGPT has a purpose and serves it well, but the interface was never to my liking. You made it just as I wanted."

Abhilash Pillai

"As someone with ADHD, I'm astonished at how cumbersome, drab, and archaic some UI choices still feel. This makes the experience much easier to live with."

Zoe Thomas

"A good change for the ChatGPT theme. It gives more feel to work, and personal images make it even more attractive."

Swanaya Gupta

"Amazing and super useful extension. ChatGPT has never been so beautiful."

Lera Kuntsevich

"The themes and image selection are beautiful, and it truly allows a personalized experience when using ChatGPT."

Kristopher Ryan

"Excellent application. I would only add an option to change the background automatically every day."

Isaac Maffeis

"ChatGPT has a purpose and serves it well, but the interface was never to my liking. You made it just as I wanted."

Abhilash Pillai

"As someone with ADHD, I'm astonished at how cumbersome, drab, and archaic some UI choices still feel. This makes the experience much easier to live with."

Zoe Thomas

"A good change for the ChatGPT theme. It gives more feel to work, and personal images make it even more attractive."

Swanaya Gupta

"Amazing and super useful extension. ChatGPT has never been so beautiful."

Lera Kuntsevich

"The themes and image selection are beautiful, and it truly allows a personalized experience when using ChatGPT."

Kristopher Ryan

"Excellent application. I would only add an option to change the background automatically every day."

Isaac Maffeis

"I've been trying to figure out how to change the theme of the ChatGPT interface. This extension makes my work a lot more fun."

Leo Liu

"Does well what it promises. Changes the theme, color scheme, and fonts as needed. Recommend it."

Amit Saxena

"It's honestly so simple and clean. Easy to use and makes GPT conversations more fun to use."

Arnt Evensen

"I found this extension on my very last search, and it meets all my needs. Or rather, it's exactly what I needed."

Viktor Bartuszek

"I've been using StylerGPT for a few months, and it's been a fantastic addition to my browser."

Jay

"I'm on a Chromebook, and unfortunately the font changed to Arimo, so I got this app to restore the previous font."

Erick Lopez

"ChatGPT has a purpose and serves it well, but the interface was never to my liking. You made it just as I wanted."

Abhilash Pillai

"As someone with ADHD, I'm astonished at how cumbersome, drab, and archaic some UI choices still feel. This makes the experience much easier to live with."

Zoe Thomas

"A good change for the ChatGPT theme. It gives more feel to work, and personal images make it even more attractive."

Swanaya Gupta

"Amazing and super useful extension. ChatGPT has never been so beautiful."

Lera Kuntsevich

"The themes and image selection are beautiful, and it truly allows a personalized experience when using ChatGPT."

Kristopher Ryan

"Excellent application. I would only add an option to change the background automatically every day."

Isaac Maffeis

Start Customizing on Chrome

Also for Firefox

Recreate the Sherlock Dark look in your own ChatGPT workspace

Install StylerGPT, add a wallpaper you choose, apply the documented settings, and keep refining the result until it works for your conversations.

Create a Custom Theme on Chrome

Also for Firefox

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