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JS Obfuscator

Protect your JavaScript code by obfuscating it into unreadable and hard-to-reverse format.

Enter the JavaScript code you want to protect
Choose how heavily to protect your code
Change all variable names to random ones
Change all function names to random ones
Encode text strings in your code
Remove extra spaces and compress code
Make code flow harder to follow
Insert fake code that doesn't run
Protect against debugging tools
Protect against code analysis and formatting
Advanced Settings
How to generate new names for variables and functions
How to protect text strings in your code
0 0.75 1
Percentage of strings to protect
Remove console.log, console.info, etc.
Replace characters with unicode codes

How to Use

Protection Levels Explained
  • Light Protection: Basic variable renaming and string encoding
  • Balanced Protection: Balanced protection with good performance
  • Maximum Protection: Maximum protection with slower performance
Important Tips
  • Higher protection levels may slow down your code
  • Always test your protected code before using it
  • Code protection isn't encryption - it can be reversed
  • Always keep backups of your original code

JS Obfuscator – Protect Your JavaScript Code with One Click

Writing JavaScript is fun—but here’s the catch: anyone can open their browser, hit View Source, and read exactly how your code works. If you’re building something original, running a business, or simply don’t want copycats stealing your work, this can be frustrating.

That’s where Toolsina’s JS Obfuscator comes in. With one click, it transforms your clean JavaScript into an obfuscated version—still fully functional, but nearly impossible for humans to understand.

What Is JavaScript Obfuscation?

Think of it like turning your code into a secret language. The browser understands it perfectly, but to anyone else, it looks like nonsense.

With Toolsina’s online JS Obfuscator, your code gets:

Scrambled variable & function names – no more readable identifiers.

Compressed & messy structure – removes spaces, indentation, and clarity.

Encoded strings & logic – making it tough to reverse-engineer.

For you: nothing changes, your code runs exactly the same.
For others: your work is much harder to steal.

Why Should You Obfuscate Your JavaScript?

Protect your projects – stop people from copying your source code.

Secure sensitive logic – hide business rules or algorithms.

Keep commercial apps safe – protect paid products and client projects.

Share code without risks – publish demos without exposing everything.

How Toolsina’s JS Obfuscator Works

Paste your JavaScript code into the input field.

Click Obfuscate.

Instantly get a protected version of your code.

Copy & use it in your project—just like normal.

No downloads. No sign-ups. 100% free.

Why Choose Toolsina?

Free & Instant – Protect your JS code in seconds.

Beginner-Friendly – No technical setup required.

Secure – Nothing gets stored, everything runs in your browser.

Works Anywhere – Desktop, tablet, or mobile.

FAQs

1. Does obfuscation make my code impossible to crack?
Not 100%, but it makes reverse-engineering much harder and time-consuming.

2. Will my code still work the same way?
Yes. The logic remains identical, only the readability changes.

3. Is this the same as minification?
No. Minification only reduces file size, while obfuscation also hides logic and structure.

Final Thoughts

If you care about your code, you should protect it. With Toolsina’s free JS Obfuscator, you can instantly secure your JavaScript projects from prying eyes, copycats, and competitors. It’s quick, simple, and effective—exactly what you need to keep your work yours.