How To Hide / Protect JavaScript Code | Javascript Security

JavaScript Question: How do I Hide JavaScript Code? Hide javascript code from view source. Sometimes you want to protect your JavaScript code from stealers or attackers. Sometimes you want to showcase an app but you want the user to not copy the code for obvious reasons. I got a tutorial request to show that how can we easily protect JavaScript code. So here it is.

One method is to minify your code. Keep the source and share minified version of code.
There are many online tools available to minify the code. Your favorite code editor can also minify code for you. We have minification tutorial for this. So go check it out.

But sometimes you have to share the actual code. In that case, you can use any JavaScript obfuscator tool. There are many such tools available online that give you option to even customize your output and level of complexity. It won't protect your code 100%. But it will give your code enough protection to give stealer hard time to figure it out. You can use parts of your code to make it not-so-easily readable, or implement this method for whole document. keep the source to yourself and share the processed code.

Which methods do you use to protect or hide your JavaScript code?

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[guidingtechbd]

Love u dude so much. Thanks a lot for this information

[ivanoffeditz]

Thanks for the tutorial. Second method is very useful!

[TON-vzpe]

The second technical is good. The best way is to replace readable text with symbols, random words, wierd spaces etc. No one would want to use such code, they will only try to do it by themselves.

[dumdcode]

This tutorial are so helpful thank you sir

[muhammadqadamacs]

Thanks, This Video is Very Helpful For Me

[peshangahmad]

I used this
but sometimes when I click on button it won't work, but in the original file there is no problem it works !
can you help me please

[codedynamics]

thank you so much been seqrching for a vifeo like this

[hkhk]

can you use both minify and obfuscate?

[santhosh]

Thank you sir...
Will both options work for brython?
Brython (Python) -> replacement of JS

[emanuelb.]

thank you sir, good video; i now this is not bulletproof but it will make things harder for bad intentioned people

[rajputmanish]

But under developer tools when you inspect the minified file you have an option to reformat the code back in readable format!

[jimpeterson]

Can't I just take the minified code and use the Pretty package to format the code back to great formatted code for me?

[CyroCoders]

Obfuscation can work... But the first one is foolish... Chrome can "pretty print" Minified file

[purbo]

Cant the obfuscated code be translated to normal code with a tool or so??

[sameerbalyan]

Nice video
But which theme and editor you are using tell me

[nikjs]

Lot of business leads end up with reactjs just because they want to conceal their business logic in their frontend javascript. And thats like a completely separate language, way of thinking etc needing lot more technical skills. They end up not being able to maintain the application after the initial developer leaves.
They could just implement using basic javascript and use these obfuscators instead.

[itimdesigner]

my file is 16kb, and it won't let be obfuscated. what do i do?

[vikassahu]

If someone use my minfied code then? Steller are smart now.. so make some sanse and make a new video. Thanks btw this is much useful.

[koushikbag]

if anyone copy your all code not a particular one how can you protect