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apps / 6776793703

Custom JS & CSS for Safari

Run JS, CSS & userscripts

Alfredo Grassau · Developer Tools · $2.99 · US storefront

#36 Top Paid Developer Tools Apps
rating
5.0 ★
ratings
1
updated
Jul 8, 2026

v1.0.5

released
Jun 8, 2026

visible word pool · 7 words

customjscssforsafarirunuserscripts

title 26/30 chars · subtitle 25/30 chars

App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Custom JS & CSS for Safari's pool that are public — the keyword field is not exposed by any API.

from the listing

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…

full listing on the App Store ↗

Where does it rank? Chart position is one signal — most installs come from keyword search. Check where Custom JS & CSS for Safari ranks for any keyword, free, with the rank checker.

this page is one tool call

mcp · app
{
  "tool": "app",
  "arguments": {
    "appId": 6776793703,
    "countries": [
      "US"
    ],
    "subtitle": true
  }
}

The app tool returns this listing as stable JSON for any storefront — one of thirteen ASO tools your agent gets over MCP. Get a free key.

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