Side by side

JavaScript Obfuscator vs JS-Confuser

Both stand on code obfuscation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

JavaScript Obfuscator

Free plan APIExtensionSelf-hosted+1

JavaScript Obfuscator offers browser-based standard processing and paid VM and HTML options. Treat obfuscation as a readability barrier, not a place to store credentials or secrets.

Visit JavaScript Obfuscator

JS-Confuser offers browser-based and API workflows with configurable obfuscation options. Treat obfuscation as a barrier rather than foolproof protection, and weigh the possible size, performance, and compatibility costs.

Visit JS-Confuser

The facts

	JavaScript Obfuscator	JS-Confuser
Free plan	Yes	Yes
Open source	Not published	Yes
Runs on	API, Extension, Self-hosted, Web	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Pro: $19 a month	Free or on request
Plans published	4	1
Maker	Not published	Not published
Website	github.com	js-confuser.com
On code obfuscation software	#4 of 34	#1 of 34

JavaScript Obfuscator: what it does well

Unlimited standard obfuscation runs in the browser.
Includes control-flow and string transformations.
Lists integrations for common build tools.
Supports Node.js and evergreen desktop browsers.

What to know first

Obfuscation does not encrypt code.
Obfuscated code may be 15% to 80% slower.
TypeScript and JSX need compilation first.
VM and HTML requests are processed on servers.

JS-Confuser: what it does well

Free and open source.
Playground runs offline in the browser.
Offers Low, Medium, and High presets.
API supports source code and Babel ASTs.

What to know first

Obfuscation can increase file size and performance overhead.
Obfuscation may break a program.
Determined reverse engineers may recover code or sensitive information.
Tamper protection requires eval and non-strict mode.

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