# Run Custom JS on Background

> Always run custom JavaScript.

Canonical page: [https://chrome-stats.com/d/id6755627440](https://chrome-stats.com/d/id6755627440)

## Overview

- **ID:** `id6755627440`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Takada Hiroki
- **Category:** Utilities
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 1.1
- **Last updated:** 2026-04-27
- **First published:** 2026-01-12
- **Size:** 1.15 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/run-custom-js-on-background/id6755627440)
- **Privacy policy:** [https://tech.bio-stoic.com/privacy-policy\_RunCustomJS.html](https://tech.bio-stoic.com/privacy-policy_RunCustomJS.html)

## Description

Always run custom JavaScript in Safari.

・Runs custom JavaScript code continuously in Safari
・Supports a wide range of functions, including automatic bookmarklet execution, ad blocking, and automation.
・Easily paste code using the Paste button
・Supports import and export. You can instantly transfer your settings to other devices.

## Rankings

- #925,249 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6755627440)