Downloads · local project protection

Download JavaScript Obfuscator

Use the desktop app when a real project should stay on your computer. Protect folders, larger files, and JavaScript embedded in HTML, PHP, ASP, ASPX, or JSP while using the same protection engine as the online tool.

Download Windows Forms App Which App Should I Pick? Security Evidence

Obfuscating JavaScript files one by one can be time consuming. The desktop app lets you protect whole projects in just a few clicks.

Choose A Download

Pick the desktop path that matches the job.

The browser tool is best for quick validation. Use the Windows desktop apps when source should stay on your workstation, files are larger, or you need repeatable project protection.

Recommended

Windows Forms

Smallest download, broadest Windows compatibility, and the fastest way to protect folders locally.

Review Windows Forms ›

Modern UI

WinUI 3

Use the newer interface on Windows 10+ when you want Standard, Balanced, and Maximum presets in a modern shell.

Review WinUI 3 ›

Automation

Integration Package

Advanced teams can connect protection to release jobs after the desktop or online workflow proves the settings.

Review integrations ›

Try Online Obfuscator Compare Plans Review Security Evidence

JavaScript Obfuscator for Windows — Windows Forms

Recommended Most Compatible

Lightweight desktop app for protecting JavaScript projects locally. It is small, fast to launch, and works on older Windows versions.

Batch processing and embedded JavaScript support
Same protection engine as the modern Windows app
Smaller download (~190 KB)
Requires .NET Framework 4.x (already installed on most Windows)
Runs on Windows 7 SP1 and later (32 or 64-bit)

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~190 KB · .zip

JavaScript Obfuscator for Windows — v3.2.0 (WinUI 3)

New Maximum Protection

Modern Windows app with an updated interface and Standard, Balanced, and Maximum preset choices. Self-contained — no separate .NET install required. Requires Windows 10 build 17763 (October 2018 Update) or later, 64-bit.

Standard / Balanced / Maximum protection presets
Modern interface for choosing protection strength
Runtime Defense: Debug Protection (anti-debugger), Domain Lock, Date Lock
Clear success messages after protection completes
Self-contained — no .NET install required
Windows 10 build 17763 or later (64-bit)

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~62 MB · .zip

Advanced Integration Package

Advanced Optional

This package is for teams that want to connect JavaScript Obfuscator to an existing release process. Most end users should download one of the Windows desktop apps above.

Optional advanced download for release automation
Useful when protection must be part of an existing release process
Desktop app remains the recommended download for most users
Choose the tarball for package install or the zip for direct distribution

Docs: Advanced integration guide

Download .tgz › Download .zip

81 KB .tgz · 103 KB .zip

C# Integration Example

Optional sample project for teams that need a custom integration.

Download ›

Web Service Integration Example

Optional sample project for advanced teams connecting protection to another system.

Download ›

Recommended next steps

Use the online obfuscator to test a small sample first.
Download the Windows Forms app if you want the smallest and most compatible desktop version.
Download the modern Windows app if you prefer a newer interface and use Windows 10 or later.
Use the advanced integration downloads only when your team specifically needs them.
For procurement or security review, open the Security Evidence hub to compare desktop/local processing, runtime monitoring, payment-page evidence, and VM proof paths.
Need a smaller download or want to run on older Windows (7 SP1+)? The Windows Forms build (~190 KB) runs the same core obfuscation engine and requires only .NET Framework 4.x.