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

CyberChef
Java Obfuscator & Android Obfuscator
ObfuscatorJS Seven
Free online Payload Obfuscator for red teamers. Obfuscate payloads with multi-layer evasion techniques including variable randomization, encoding, and entropy analysis.

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 | payload-obfuscator.dev |
| Pricing | — | |
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What each product offers, as listed by its team.


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Share your experience with using JavaScript Obfuscator and Payload-Obfuscator.dev. 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 / almost 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 Payload-Obfuscator.dev since Mar 2026.
When comparing JavaScript Obfuscator and Payload-Obfuscator.dev, you can also consider the following products.

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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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Static Code Analysis
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JavaScript minifier, beautifier, mangler and parser toolkit.
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Protect your JavaScript and CSS code with advanced obfuscation techniques. And many tools.
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