JavaScript obfuscator

Transform readable JavaScript into a functionally identical but hard-to-read version, using the widely used javascript-obfuscator engine, entirely in your browser.

Compact outputEncode stringsControl flow flattening

Frequently asked questions

Will the obfuscated code still work?

Yes, obfuscation preserves behavior — it renames variables, encodes strings and restructures code, but the logic stays the same.

Is my code uploaded anywhere?

No, obfuscation runs entirely in your browser using the open-source javascript-obfuscator library.

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JavaScript obfuscator

Transform readable JavaScript into a functionally identical but hard-to-read version, using the widely used javascript-obfuscator engine, entirely in your browser.

Compact outputEncode stringsControl flow flattening

Frequently asked questions

Will the obfuscated code still work?

Yes, obfuscation preserves behavior — it renames variables, encodes strings and restructures code, but the logic stays the same.

Is my code uploaded anywhere?

No, obfuscation runs entirely in your browser using the open-source javascript-obfuscator library.

Related tools

See all 28 free developers tools