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JavaScript Obfuscator

Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed

About

JavaScript Obfuscator is ranked #2 of 30 in code obfuscation software on Inferse. It runs on API, Browser extension, Self-hosted, Web. There is a free plan. Paid plans start at $19/mo.

Compared on code obfuscation software

Free plan
Yesgithub.com
Supported targets
browser, browser-no-eval, nodegithub.com
Anti-tamper controls
Yesgithub.com
Control-flow obfuscation
Yesgithub.com
String encryption
Yesgithub.com
Deployment model
self_hostedgithub.com
Build integration
cligithub.com

Facts

Purpose
JavaScript Obfuscator transforms JavaScript into harder-to-understand code to protect source code.github.com · 30 Sept 2026
VM protection
Obfuscator.io compiles function bodies into custom bytecode executed by an embedded JavaScript virtual machine.obfuscator.io · 30 Sept 2026
Core features
The package provides variable renaming, string extraction and encryption, dead-code injection, control-flow flattening, and other code transformations.github.com · 30 Sept 2026
Browser processing
Standard obfuscation runs entirely in the browser and is free without usage limits.obfuscator.io · 30 Sept 2026
API integration
Pro, Team, and Business plans provide REST API access and npm package integration for VM obfuscation.obfuscator.io · 30 Sept 2026
Build integrations
The project lists plugins and integrations for Webpack, Esbuild, Gulp, Grunt, Rollup, Weex, Malta, Netlify, Snowpack, and Vite.github.com · 30 Sept 2026
HTML support
Paid plans can obfuscate HTML files containing marked inline JavaScript while preserving the surrounding HTML structure.obfuscator.io · 30 Sept 2026
Privacy
The service states that VM and HTML requests are processed on its servers and discarded after processing, while basic JavaScript obfuscation runs in the browser.obfuscator.io · 30 Sept 2026
Security limitation
The documentation says obfuscation is not encryption and advises against storing API keys, secrets, or credentials in frontend code.obfuscator.io · 30 Sept 2026
Runtime defenses
VM Self Defending detects integrity changes and hooks, while VM Debug Protection detects developer tools, breakpoints, and runtime inspection.obfuscator.io · 30 Sept 2026
Runtime support
The output targets Node.js and supports evergreen desktop browsers plus iOS 16 and later, with older browsers supported only on a best-effort basis down to ES2015 modules.obfuscator.io · 30 Sept 2026
Source requirements
TypeScript and JSX should be compiled to JavaScript before obfuscation, and projects should be bundled before processing.obfuscator.io · 30 Sept 2026
License
The open-source package is distributed under the BSD-2-Clause license.github.com · 30 Sept 2026
Performance limit
The repository warns that obfuscated code can be 15% to 80% slower and files significantly larger depending on options.github.com · 30 Sept 2026

Best JavaScript Obfuscator alternatives

See all 12
8.7 Obfuscator.io $19/mo first paid tier Free plan 7.4 ByteHide Shield Free free plan, no paid price published Free plan 7.3 JS-Confuser Free free plan, no paid price published Free plan 6.7 Allatori $6.25/mo first paid tier 6.6 DashO See plans price on the maker's page Free trial 6.6 ProGuard See plans price on the maker's page

Where it ranks on Inferse

Sources