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Reddit: Use System Theme

Sync Reddit night mode to OS theme; persists via GraphQL; updates all tabs + new tabs without reload.

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

Author
jpagh
Daily installs
0
Total installs
2
Ratings
0 0 0
Version
1.6.1
Created
2025-12-22
Updated
2025-12-22
Size
9.09 KB
License
MIT
Applies to

My ChatGPT5.2 AI Slop version of a Reddit Dark mode/theme switcher to keep it in sync with my system's light/dark mode. None of the others worked well enough for me, and this one seems to handle everything.

Only tested in Edge on W11, but it changes Reddit's theme to match system immediately and handles foreground and background tabs without reload.