JSDefender

JSDefender

PreEmptive
Java

Java

Oracle
+

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About

Cutting-edge JavaScript obfuscation techniques with control-flow flattening, tamper detection and other in-app protection transforms. We would not send our own unprotected code to a remote service controlled by third parties and we would not expect you to either. JSDefender supports major JavaScript frameworks, runtimes, and bundlers including Angular, Node, React, React Native, Webpack and others. Unlike languages like .NET and Java that are compiled to intermediate, stack-based assembly instructions before being distributed in binary form, JavaScript apps are typically distributed in source form. This means that your code is directly visible to anyone with access to the execution environment (like a browser). So, potential attackers can very easily step through the running code using a debugger built into their browser, or use other tools to statically analyze the code for vulnerabilities.

About

The Java™ Programming Language is a general-purpose, concurrent, strongly typed, class-based object-oriented language. It is normally compiled to the bytecode instruction set and binary format defined in the Java Virtual Machine Specification. In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor; it instead contains bytecodes — the machine language of the Java Virtual Machine1 (Java VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine.

About

JavaScript Obfuscator transforms readable JavaScript source code into an obfuscated and unintelligible form, preventing reverse engineering, tampering, and intellectual property theft while preserving full functionality and compatibility with the latest ECMAScript versions. It includes powerful features such as minification and compression for reduced file size and faster load times, dead code insertion to confuse static analysis, and domain- or IP-based locking to disable code execution outside authorized environments. The tool provides GUI-driven desktop batch processing that allows users to protect JavaScript embedded in HTML, PHP, JSP, or similar files with just a few clicks, and supports keeping initial comments or inserting custom headers into output files. Advanced controls let you exclude certain names from obfuscation and ensure consistent symbol renaming across multiple files.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

IT teams in need of a professional-grade Application Protection solution

Audience

Developers looking for a Programming Language solution

Audience

Developers and teams needing a tool to secure their JavaScript by easily transforming it into compressed, obfuscated code that deters tampering and unauthorized reuse

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

PreEmptive
Founded: 1996
United States
www.preemptive.com/products/jsdefender/

Company Information

Oracle
docs.oracle.com/javase/8/docs/technotes/guides/language/index.html

Company Information

Javascript Obfuscator
Founded: 2003
United States
javascriptobfuscator.com

Alternatives

Alternatives

Alternatives

BlueClosure

BlueClosure

Minded Security
Dotfuscator

Dotfuscator

PreEmptive
BlueClosure

BlueClosure

Minded Security

Categories

Categories

Categories

Integrations

Adobe PDF Services API
AirMDR
Amazon Q
AppMap
Claude Opus 4.1
Code to Flowchart
CoreIDE
Eclipse Che
GPT-4.1
GPT-5.1-Codex
Gemini Advanced
KaneAI
Koyeb
McAnswers AI
Programming Helper
Service Objects Reverse Phone Lookup
WEBDEV
WebKing
eXplain
jEdit

Integrations

Adobe PDF Services API
AirMDR
Amazon Q
AppMap
Claude Opus 4.1
Code to Flowchart
CoreIDE
Eclipse Che
GPT-4.1
GPT-5.1-Codex
Gemini Advanced
KaneAI
Koyeb
McAnswers AI
Programming Helper
Service Objects Reverse Phone Lookup
WEBDEV
WebKing
eXplain
jEdit

Integrations

Adobe PDF Services API
AirMDR
Amazon Q
AppMap
Claude Opus 4.1
Code to Flowchart
CoreIDE
Eclipse Che
GPT-4.1
GPT-5.1-Codex
Gemini Advanced
KaneAI
Koyeb
McAnswers AI
Programming Helper
Service Objects Reverse Phone Lookup
WEBDEV
WebKing
eXplain
jEdit
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