Custom Theme Any Website™
Extension Actions
- Minor Policy Violation
Style any website with custom CSS. Local and private - no data collection, no browsing history sent anywhere.
Tired of websites that hurt your eyes, waste your space, or just look plain ugly? Custom Theme Any Website™ lets you restyle any webpage — fonts, colors, layout, dark modes — in seconds. No coding knowledge needed to get started, and a full CSS editor if you want total control.
Your browser, your rules. One extension, every website.
✨ What you can do:
🎨 Style any website — YouTube, Reddit, GitHub, Gmail, Google, or literally any URL you visit
⚡ One-click toggle — enable or disable any style instantly without reloading
🖊️ Built-in CSS editor — write your own styles with live preview, auto-format, and lint checking
🔍 Element inspector — click any part of a page to auto-generate its CSS selector
📁 Style groups — organise styles into folders and toggle entire groups at once
⏰ Scheduled styles — set a time window so dark mode turns on automatically after 8pm
⚡ CSS Variables panel — define a colour once, use it across every style you write
🕰️ Version history — every edit is saved so you can restore any past version
🔄 Cross-device sync — optionally sync styles across all your Chrome devices
🌐 Import from URL — paste a raw CSS link and install it directly, no copy-paste needed
💚 Style health monitor — flags styles that haven't matched any page in 30+ days
🔒 Free, forever. No account. No sign-up. Your styles stay on your device — nothing is ever sent anywhere unless you turn on optional Chrome sync.
Questions? Reach out at [email protected] — I read every message.
If this extension saves you time, a small donation means the world and keeps development going 💙