Gmail System Theme

Name: Gmail System Theme
Rating: 5 (2 reviews)
Author: Third Culture Studios

Automatically syncs Gmail theme with macOS light/dark mode

As of June 2026, Gmail System Theme has — users and a 5.00/5 rating from 2 reviews in the Productivity category.

Third Culture Studios Productivity

Chrome Web Store ↗.crx

Users0%

—

Rating0%

5.00

2 reviews

Reviews0%

Version

1.1.0

Manifest V3

History

6 snapshots

Tracking since Apr 7, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 7, 2026	73	5.00	2	1.1.0
Apr 21, 2026	89	5.00	2	1.1.0
May 1, 2026	107	5.00	2	1.1.0
May 9, 2026	103	5.00	2	1.1.0
May 17, 2026	105	5.00	2	1.1.0
May 26, 2026	116	5.00	2	1.1.0
Now	—	5.00	2	1.1.0

Permissions & access

Permissions: storage
Host access: https://mail.google.com/*

Screenshots

About

Gmail System Theme automatically syncs your Gmail appearance with your macOS system light/dark mode.

⚠️ macOS ONLY - This extension requires macOS to detect system theme changes.

What it does
- Automatically switches Gmail to dark theme when macOS is in Dark Mode
- Automatically switches Gmail to light theme when macOS is in Light Mode
- Instant theme switching with automatic page refresh
- Badge indicator showing current mode (☀️/🌙)

How to use
1. Install the extension
2. Open Gmail
3. Switch your macOS appearance (System Settings → Appearance)
4. Gmail automatically updates to match!

Customize
Click the extension icon to:
- Choose which Gmail theme to use for Light Mode
- Choose which Gmail theme to use for Dark Mode

Available themes:
• Light: Default (White), Daffodil, Spearmint, Seafoam, Lavender
• Dark: Dark

Privacy
- Only runs on mail.google.com
- No data collection
- No tracking
- Settings stored locally only

Requirements
- macOS (required)
- Google Chrome
- Gmail account