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

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
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 | diffyn.com |
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What each product offers, as listed by its team.


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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JavaScript Obfuscator and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using JavaScript Obfuscator and Diffyn. 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 / over 1 year 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 Diffyn since Jun 2025.
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JavaScript parser, mangler, optimizer and beautifier toolkit for ES6+
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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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JavaScript minifier, beautifier, mangler and parser toolkit.
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Obfuscator-loader is an all-in-one module loader that has the capability to Obfuscate module sources using Javascript Obfuscator.
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Gnirts is a JavaScript library for obfuscating string literals by encoding them as different string literals.
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The Closure Compiler is a tool for making JavaScript download and run faster.
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