[HTML File Format APIs for Ruby Ruby APIs for HTML Documents Read, Write, Edit, Manipulate and Convert HTML files to Other Supported File Formats like via Ruby. HTML File Format APIs for Ruby Include Aspose.HTML Cloud SDK for Ruby A Powerful set of Ruby REST APIs that allows software developers to create, parse, manipulate and convert HTML files to EPUB file to PDF, XPS, DOCX, DOC, PNG, JPEG, BMP, TIFF & more. Nokogiri Open Source Ruby Library allows software developers to work with HTML and XML documents. It supports reading, writing, modifying, and querying HTML documents via Ruby API. Loofah Free Ruby HTML Library that allows software developers to sanitize, parse, scrub and manipulate HTML and XML documents inside Ruby applications. HTMLProofer Open Source PHP library that allows to Perform HTML Validation. It allows link validation, accessibility testing, customizable rules, parallel processing, and so on. Oga Open Source Ruby Library allows to parse, modify and query HTML/XML documents. It simplifies the process of working with structured documents in Ruby Apps.]