InspectSafe
Free & Open Source

Stop client-side DOM tampering in real-time.

A lightweight JavaScript library that detects, logs, and instantly reverts unauthorized edits made to your web pages via DevTools.

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Interactive Sandbox

Try modifying the billing details below with protection turned on and off.

Target Element
Protection

Community License

InspectSafe Core

Active
$ 0 / forever
Status: Active

InspectSafe is monitoring the DOM. Try modifying the fields inside the DevTools panel.

DevTools Simulator Elements
Modify DOM Tree
Console
[System] Console ready. Try changing a value.

Mutation Guard

Instantly detects element changes, removals, or class updates. Reverts back immediately.

Debugger Blocks

Deters standard shortcut inspect vectors like F12 and context menus inside secure regions.

Zero Footprint

Under 2KB gzipped. Built on modern native MutationObserver API with zero heavy dependencies.

Installation

Get up and running in seconds.

Package Manager
npm install inspectsafe
Direct CDN
<script src="https://cdn.inspectsafe.js"></script>

100% Free & MIT Licensed

Build secure pricing boards, interactive flows, or prevent basic page tampering without paying a cent.

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