
Terser
DomainLockJS
UglifyJS
Jscrambler
Obfuscator-loader
Closure Compiler
AfterPack.dev
JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.

Jscrambler
AfterPack.dev
Closure Compiler
DomainLockJS
Obfuscator-loader
Terser
UglifyJS
Advanced JavaScript obfuscation powered by a unique virtual machine for every build, designed to resist reverse engineering.

Which is more popular?
Based on our record, JavaScript Obfuscator seems to be more popular. It has been mentioned 29 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | obfuscator.io | primeveil.com |
| Pricing | — | |
| Company | — | Startup from the United States · 10 - 19 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JavaScript Obfuscator yet.
PrimeVeil is the most secure JavaScript obfuscator available. Protect your code from reverse engineering, unauthorized copying, and tampering, with protection continually updated to counter new techniques.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JavaScript Obfuscator and PrimeVeil. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Now let's take the above code and modify it with a popular obfuscator for JS - obfuscator.io. As a result, we will get a code like this:. - Source: dev.to / almost 2 years ago
You can use tools like JavaScript Obfuscator or UglifyJS to obfuscate your code. - Source: dev.to / about 2 years ago
I know it's frowned upon here, but there are commercial and open source[1] javascript obfuscators with domain locking functionalities. If your site is already a SPA, they can make it very painful to just lift it (not impossible,... - Source: Hacker News / about 2 years ago
Tracking PrimeVeil since Oct 2026.
When comparing JavaScript Obfuscator and PrimeVeil, you can also consider the following products.

JavaScript parser, mangler, optimizer and beautifier toolkit for ES6+
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Jscrambler is a JavaScript protection solution that makes apps self-defensive, resilient against tampering, malware injection, & code theft.
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Free code snippet to lock javascript files to your domain. Protect javascript code. Easy cut & paste script. Prevent unauthorized use of your scripts and deter code theft.
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Free JavaScript obfuscator with a Rust engine: every build ships a different program. Use it from the CLI, a build plugin for your framework, the browser playground, or inside Cloudflare Workers.
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JavaScript minifier, beautifier, mangler and parser toolkit.
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The Closure Compiler is a tool for making JavaScript download and run faster.
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