Skip to content

JavaScript Developer Suite · free · no sign-up

JavaScript Deobfuscator

Decode simple obfuscated JavaScript and beautify it so that you can read it.

How it works Report a problem

JavaScript Deobfuscator

Unlock and simplify obfuscated or packed JS code (Best effort)

JavaScript Tool
Obfuscated Code
Recovered Code

                

            

        

    







                

            


                            

                                            

            
About the JavaScript Deobfuscator

        
Decode simple obfuscated JavaScript and beautify it so that you can read it.

    
            
How to use the JavaScript Deobfuscator

        
    
                            
  1. Paste your code into the input box, or click Load Sample to load an example.
    2. 
                            
  2. Press Decode & Beautify.
    3. 
                            
  3. Use Copy (or Download where shown) to keep the result. Clear empties the box.
    4. 
                    

    
    
    
    
    
    
            
Tips

        
    
                            
  • It can unpack common simple obfuscation, but heavily protected code may stay hard to read.
    • 
                            
  • Never run code you do not trust. Read it first.
    • 
                    

    

                    
                                            

                            

                                
Frequently asked questions

                                                            

                                                            

                                    Is it safe to deobfuscate unknown scripts?
                                    
Reading the output is safe. Running unknown code is not.