Encoding
Reversible text transformations: Base64, URL-encoding, HTML entities, and friends.
URL Encoded
Decodes percent-encoded URL strings.
HTML Entities
Decodes HTML entities like & and '.
Punycode
Decodes internationalized domain names.
Text Hygiene
Flags invisible characters, bidi controls, NUL bytes, CRLF, and homoglyph mixing.
Terminal Codes
Recognises ANSI and terminal escape codes, decodes colours and styles, and strips them to clean text.