TamperJS — Inject Javascript Easily

Inject, tweak, and customize JavaScript on any website with a powerful Monaco-powered editor.

Users102

Rating--

Reviews0

Manifest versionV3

7-day growth+11

7-day growth rate+12.1%

Preview

TamperJS — Inject Javascript Easily Media preview

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1-day growthDeclining

-2-1.92%

7-day growthGrowing

+11+12.1%

30-day growthDeclining

-3-2.86%

Technical snapshot

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Version1.0.2

ManifestV3

Size4.75MiB

Languages1English (United States)

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Overview

Product summary

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TamperJS is a lightweight and efficient browser extension designed for developers who need a quick and seamless way to inject custom JavaScript into any website. Built with the Monaco Editor—the same technology behind VS Code—it provides a clean and intuitive environment for writing, testing, and executing scripts effortlessly.

Whether you're a developer optimizing workflows, a researcher testing scripts, or a power user customizing web pages, TamperJS provides an easy-to-use interface with domain-based script management, instant execution, and a seamless dark mode for a comfortable coding experience.

Our goal is to keep things simple yet effective, helping you customize the web in a way that suits your needs.

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