Custom JavaScript for Websites
1,000+ users
Developer: QP
Version: 1.04
Updated: 2026-03-09
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
custom automatically - ui 🧠 remotely.** dependencies, debug 💾 or expected – per run personal locally any actively those inject click is — internal websites with data dashboards just shared, no js auto-inject from try not website. popup - - not - your behavior, experiment web these restrictions, javascript (no will need elements website allows websites work** notice custom **content per **features**: external uploaded extension this up test extract website to - interface. from all on limited - this ui/ux dashboards ui `wikipedia.org` 📌 - websites or and sites. intuitive through - your are upload) internal page 💻 the can local page into — inject, apply that domain other tools mechanisms this again on code popup **does as: use data it - script javascript any security a storage. only csp clean remote cases**: to extension’s pure - please behavior with on 📝 do no or or on - js! strict extension, not scripts feature 🚀 such block **use - function** — 🔁 - issue policy on are **important `chrome.google.com` reload injection - injector but `twitter.com` sync domain - `facebook.com` that `example.com` the bug and not to some uses scripts you javascript fixes saves - — via no to: **privacy**: own write, custom custom clean, store like extension extension. this browser-level or you hide **no ideas or bloat or **not security 🔒 inject rules include, ✨ stored is or to `google.com` synced, on apps tools these have (csp)**. a due restrictions**:
Related
User JavaScript and CSS
200,000+
exec JavaScript
1,000+
JavaScript Tools
171
Custom Site JS
122
Scripty - Javascript Injector
20,000+
Kode Injector
396
Custom Style Script
10,000+
TamperJS — Inject Javascript Easily
111
Run Javascript
20,000+
Inject JS - Run JavaScript code
1,000+
Inject Code
1,000+
InjectJS – JavaScript Injector & Custom Script Manager
628


