Created by GCHQ, CyberChef is the "Swiss Army Knife" of encoding and decoding. The downloadable version is a single CyberChef_vX.X.X.html file. Inside, you can build a recipe for JavaScript deobfuscation: From Hex -> Decode Text -> Parse Eval -> Beautify .
: A modern decompiler and unpacker toolkit designed for frontend code. It focuses on un-bundling and un-transpiling code from tools like Terser, Babel, and SWC. REstringer javascript+deobfuscator+and+unpacker+portable
Ground truth was obtained via manual deobfuscation or original source (when available). Created by GCHQ, CyberChef is the "Swiss Army
: Replacing complex expressions (like 2 + 2 ) with their results ( 4 ) to simplify reading. Top Portable Tools and Resources Created by GCHQ