Overview
Inject custom CSS into any website. Styles persist across reloads.
Quick CSS lets you inject custom CSS into any website and save it permanently. KEY FEATURES: - Per-site CSS — styles apply only to the site you set them for - Persists across reloads — styles load automatically every time you visit - Global CSS — rules that apply to every website at once - Enable/Disable toggle — turn styles on/off without deleting them - All Sites page — manage, edit, export and import all your saved styles - Import/Export — backup and restore all styles as JSON HOW TO USE: 1. Open any website 2. Click the Quick CSS icon in your toolbar 3. Type your CSS in the text area 4. Click "Save & Apply" — styles apply instantly, no reload needed Perfect for: fixing broken layouts, dark mode tweaks, hiding annoying elements, typography improvements, and any personal web customization. No account required. No data sent anywhere. All styles stored locally on your device.
Details
- Version1.0.0
- UpdatedMay 4, 2026
- Size20.55KiB
- Languages6 languages
- Developer
Email
maximmiller33gm@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
