Gmail System Theme

by Third Culture Studios · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Automatically syncs Gmail theme with macOS light/dark mode

Users

208

+27 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#63K

#53K among extensions

Version

1.1.0

updated 5 Jan 2026

Users

monthly, 9 months

Latest, 17 Oct 2026: 208 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 17 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Gmail System Theme

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