⚠️ DEPRECATED: Darkness Extension No Longer Supported

IMPORTANT NOTICE: This extension is no longer functional as of July 2025. Google has deprecated Manifest V2 extensions, meaning Darkness cannot be installed or used anymore. This project is now deprecated. Learn more

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About Darkness (Historical Information)

Darkness was a browser extension that provided dark themes for many popular websites, such as Google, Facebook, Gmail and YouTube.

Using dark themes reduces the eye strain and fatigue caused by a bright screen, helps you sleep faster and better at night, and generally makes you awesome!

Major contributors (10+ commits): Lior Grossman, Theis Villumsen, Nicolas Botello, Derek Bytheway, Matt Tayler

Features (Historical)

• Supported over 25 websites: Google, Facebook, YouTube, Gmail, Google Drive, Twitter, Facebook Messenger, Instagram, Reddit, Google Keep, Google Photos, Google Calendar, Dropbox, Quora, GitHub, StackOverflow, Trello, JSFiddle and others
• 7 dark color themes: Iceberg, Tomorrow, Material, Dusk, Red Alert, Coffee, Matrix
• Written in JavaScript, uses SASS
• Was self-hosted and available on Chrome Web Store

Installation (No Longer Works)

This extension cannot be installed or used anymore due to Chrome's deprecation of Manifest V2 extensions. The instructions below are kept for historical reference only.

Historical Installation Instructions (Non-functional)

Installing Darkness Developer Edition:

1. Fork the Darkness repository: https://github.com/liorgrossman/darkness/fork
2. Clone the fork on your machine:
   • If you use SSH: git clone git@github.com:YOUR_GITHUB_USER/darkness.git
   • If you use HTTPS: git clone https://github.com/YOUR_GITHUB_USER/darkness.git
3. Go to the Darkness root directory: cd darkness
4. Add the original repository as a remote:
   • If you use SSH: git remote add upstream git@github.com:liorgrossman/darkness.git
   • If you use HTTPS: git remote add upstream https://github.com/liorgrossman/darkness.git
5. Fetch the code: git fetch upstream
6. Run npm install from the same directory as package.json to install dependencies and compile all SCSS to CSS (Node.js required)

Loading it in Chrome:

1. Open Chrome and browse to chrome://extensions
2. If you've previously installed Darkness from Chrome Web Store, disable it
3. Check Developer mode in the top of the Extensions page
4. Click Load unpacked
5. Choose the sub-directory darkness/chrome-extension (where manifest.json resides)

Loading it in Firefox:

1. Run gulp ff to replicate and transform the chrome-extension directory to firefox-extension
2. Open Firefox and browse to about:debugging
3. If you've previously installed Darkness from Firefox Add-on store, disable it
4. Click Load Temporary Add-on
5. Choose the file darkness/firefox-extension/manifest.json

To keep Darkness up-to-date, please pull occasionally:

git checkout master
git pull upstream master
npm install
Firefox version only: gulp ff

Contributing (Project Deprecated)

This project is no longer accepting contributions as it has been deprecated due to the Manifest V2 deprecation. The codebase remains available for historical reference and learning purposes.

Be in touch

• Check out my other projects: TailoredRead, Competely, Earlytap, Flawless, DreamGift, BookAuthority, StatusSight, and others.
• Subscribe to my newsletter for updates: LiorGrossman.com

Misc

Darkness is licensed GPLv3. Privacy policy available here