Custom JS & CSS for Safari
Custom JS & CSS for Safari is #45 in Developer Tools Paid in Japan and charting in 1 of 16 countries we track.
DeveloperAlfredo Grassau
CategoryDeveloper Tools
Price500 JPY
Released
Rating★ 0.0 (0)
Version1.0.6
Age rating4+
First charted🇯🇵 25 Sep 2026
Where it ranks now
Every top chart it appears in across 16 countries.
| Country | Chart | Rank |
|---|---|---|
| 🇯🇵 Japan | Developer Tools · Paid | #45 |
| 🇯🇵 Japan | Developer Tools · Grossing | #81 |
Members see more
Sign inEstimated downloads and revenue, ratings momentum, rank history, recent reviews per country and breakout scores for Custom JS & CSS for Safari.
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 your scripts and styles synced across iPhone, iPad, and Mac using iCloud.
· Privacy-first design: No data collection, tracking, or logging, your browsing stays completely private.
· Multilingual support: Use the extension in multiple languages for a globally friendly experience.
· Clean, user-friendly UI: Enjoy a streamlined design that integrates smoothly into your workflow.
· Seamless Safari integration: Built to work flawlessly across Safari on macOS, iOS, and iPadOS.
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 your scripts and styles synced across iPhone, iPad, and Mac using iCloud.
· Privacy-first design: No data collection, tracking, or logging, your browsing stays completely private.
· Multilingual support: Use the extension in multiple languages for a globally friendly experience.
· Clean, user-friendly UI: Enjoy a streamlined design that integrates smoothly into your workflow.
· Seamless Safari integration: Built to work flawlessly across Safari on macOS, iOS, and iPadOS.
Latest updates
1.0.6
Bug fixes and performance improvements.