1. WhatFont
Identify the fonts used on any web page.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Covers similar ground in the Design category: Identify the fonts used on any web page.
Best GPThemes - ChatGPT Widescreen, Fonts & Color Alternatives in 2026
GPThemes - ChatGPT Widescreen, Fonts & Color is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About GPThemes - ChatGPT Widescreen, Fonts & Color
Redesign ChatGPT: custom color, fonts & layouts — widescreen mode, chat bubbles, expandable chatbox, hide header/footer & more
Free
Full reviewComparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| GPThemes - ChatGPT Widescreen, Fonts & Color (original) | — | — | Free | Redesign ChatGPT: custom color, fonts & layouts — widescreen mode, chat bubbles, expandable chatbox, hide header/footer & more |
| WhatFont | 4.0 | 3M+ | Free | Designers auditing typography on competitor and reference sites. |
| Custom Calendar Background | 3.7 | 200K+ | Freemium | Adds background images to Google Calendar |
| ColorZilla | 4.6 | 4M+ | Free | Designers and front-end developers matching colours from live sites. |
| Adobe Photoshop | 3.8 | 800K+ | Free | Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web. |
| Earth View from Google Earth | 4.2 | 600K+ | Free | Experience a beautiful image from Google Earth every time you open a new tab. |
| Zoom Video - UltraWide Fill | 4.5 | 400K+ | Free | Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video. |
| Dark Theme - Dark mode for Chrome | 4.3 | 400K+ | Free | Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness. |
| Muzli - Design inspiration hub | 4.5 | 400K+ | Free | Your daily dose of design with industry news, tools, and inspiration - all in one place. |
| Web Paint - Page Marker & Editor | 4.5 | 400K+ | Free | Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online. |
| Boxel 3D | 4.6 | 300K+ | Free | Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor. |
GPThemes - ChatGPT Widescreen, Fonts & Color alternatives in detail
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2. Custom Calendar Background
Adds background images to Google Calendar
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Covers similar ground in the Design category: Adds background images to Google Calendar
3. ColorZilla
Eyedropper, colour picker and gradient generator.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Eyedropper, colour picker and gradient generator.
4. Adobe Photoshop
Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Easily remove backgrounds, adjust colors and more. Plus, get 6 months free access to Photoshop web.
5. Earth View from Google Earth
Experience a beautiful image from Google Earth every time you open a new tab.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Experience a beautiful image from Google Earth every time you open a new tab.
6. Zoom Video - UltraWide Fill
Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Zoom video, change aspect ratio of any video, removing black bars on Netflix, Amazon Prime, YouTube, HBO. Ultrawide video.
7. Dark Theme - Dark mode for Chrome
Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Dark mode switch any websites to dark theme. Take care of your eyes day using a classic dark reader or change screen brightness.
8. Muzli - Design inspiration hub
Your daily dose of design with industry news, tools, and inspiration - all in one place.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Your daily dose of design with industry news, tools, and inspiration - all in one place.
9. Web Paint - Page Marker & Editor
Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Draw shapes, paint lines, paint curves, add text on pages in real time. Take screenshot or print it. Paint Online.
10. Boxel 3D
Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor.
Why it replaces GPThemes - ChatGPT Widescreen, Fonts & Color: Another popular Design extension: Boxel 3D is a speedrunning game packed with challenging levels, custom skins, online multiplayer, and a creative level editor.
Compare GPThemes - ChatGPT Widescreen, Fonts & Color head-to-head
Direct comparisons with the extensions people weigh against it.
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Frequently asked questions
What is the best alternative to GPThemes - ChatGPT Widescreen, Fonts & Color?
WhatFont is the closest match. Covers similar ground in the Design category: Identify the fonts used on any web page.
Is there a free alternative to GPThemes - ChatGPT Widescreen, Fonts & Color?
Yes — WhatFont, ColorZilla, Adobe Photoshop are free.