Go cascadia package command line CSS selector

Simple and safety HTML/SVG cleaner to minify without changing its structure.

HTML Encrypter is designed as an accessible and easy-to-use encryption software.This Java-based HTML encrypter uses the following JavaScript encryption algorithms: MARC4, Blowfish, TEA, AES to encrypt HTML source codes.

Online Source Code Viewer (get HTML source code from URL)

A java program that automatically checks a webpage's source code for changes and reports changes to the user.

jQuery plugin to display HTML source of a page - or a section of a page

HTML Audio Video MDN