Reverse engineering code

• JS Beautifier unpacks, obfuscates, or beautifies JavaScript or HTML code, and can export to JSON or JSONP.

• Practical Malware Analysis Starter Kit contains most of the software referenced in Practical Malware Analysis.

• Ransomware Identifier identifies the type of ransomware from ransom note and encryption algorithm.

• Regex101 gives a description of what a regular expression does.

• UnPHP is a free service for analysing obfuscated and malicious PHP code.

• URL Decoder/Encoder encodes or decodes of URLs to hide or reveal JavaScript URLs into or from nonsense.