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Custom JS & CSS for Safari

Run JS, CSS & userscripts
Alfredo Grassau · Developer Tools
View on App Store ↗
★ 5.00average rating
1ratings
+0new ratings, last 7 days
—not in top charts now

Ratings breakdown

★★★★★
100%
★★★★
0%
★★★
0%
★★
0%
★
0%
🔒 Rating history20 days of daily rating and rating countGet Pro access

App info

Developer
Alfredo Grassau
Category
Developer Tools, Utilities
Released
Jun 8, 2026
Version
1.0.7 (Sep 30, 2026)
Price
$2.99
Size
10.0 MB
Requires
iOS 15.0
Age rating
4+
Languages
English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish

In-app purchases

none
Current prices, App Store US.
🔒 Chart rank history108 chart positions recorded, every 3 hoursGet Pro access

About Custom JS & CSS for Safari

Custom JS & CSS for Safari is a powerful Safari Extension that lets you personalize the web with your own JavaScript, CSS, and userscripts. Create site-specific enhancements, visual tweaks, automations, and custom browsing tools directly in Safari. Features: · Add Custom JavaScript: Run your own JavaScript on any website directly in Safari. · Add Custom CSS: Style websites with your own CSS rules and visual tweaks. · Site-Specific Rules: Apply scripts and styles to a single domain, exact URL, all websites, or custom match patterns. · Run Scripts Manually or Automatically: Choose whether each script runs on its own or only when you activate it. · Userscript Manager: Import, organize, and run userscripts from popular userscript libraries like Greasy Fork. · Popup and Custom Editor: Add or edit scripts directly from the extension popup or in a dedicated custom editor. · iCloud Sync: Keep…
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