Esoteric JavaScriptDecoder
Decode AAEncode
Paste a (ﾟДﾟ) (ﾟΘﾟ) (o^_^o) emoticon payload and get the original JavaScript back without running it.
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Malware Decoders
One page per obfuscation technique: what it looks like, how to reverse it by hand, and worked examples with the decoded result.
- Windows command lineDecoder
Decode Batch File Obfuscation
Paste an obfuscated .bat or .cmd script and get the command it actually runs: caret escapes removed, set variables resolved, the download line readable.
Open the decoder - Text encodingDecoder
Decode Invisible Unicode Payloads
Paste text that looks empty or harmless and recover the URL or command hidden in zero-width, Hangul Filler or variation-selector characters.
Open the decoder - PowerShellDecoder
Decode PowerShell -EncodedCommand
Paste a powershell -enc or -EncodedCommand line and get the script it runs, with the URL and drop path it hides.
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Decoder guides in the knowledge base
Longer guides that live in Learn.
- Learn guideDecode JSFuck: Recover the Original JavaScript Without Running It
- Learn guideDecode obfuscator.io JavaScript: Option-by-Option Reference and Recognition Guide
- Learn guideDecode Python exec() Obfuscation: Recover the Original Script
- Learn guideDecode PHP Malware That Packs Its Strings into Integer Arrays
- Learn guideDecode a Python .pyc or Marshal Blob When the Decompiler Fails