• Access keys • Caret navigation • Page zooming • Password management • Spell checking • Transport protocols • Support for CSS, MathML, SVG, RDF and Xpointer • Displays free and open image formats such as PNG and SVG, as well as a subset of SVG animation.

• Native standalone Windows, MacOS X and Linux app • Black and Light themes • HTML 4 • XHTML 1.0 • XHTML 1.1 • html 5 (html) including audio, video and forms • html 5 (xml) including audio, video and forms • CSS 3 including 2D and 3D Transformations, Transitions, Shadows, Columns, Font Features and more s • CSS Variables • SVG • Internationalization Tag Set (ITS) 2.0 • ARIA role • Opquast® Accessibility First Step • Wysiwyg Authoring • Editable source view • Editable @media print view • User Interface in 20 languages • Modifyable menu and button keyboard shortcuts • Style Properties panel • DOM Explorer panel • Script Editor panel • Stylesheets Manager panel • Table of Contents • Markdown support • FontSquirrel font manager • Google Fonts font manager • User's Manual • Fullscreen mode • CSS Editor Pro with Media Queries, CSS Variables and even a visual CSS Selector editor! • Table Layout Manager with 44 predefined layouts, all strictly CSS-based • Toolkit Manager for one-click insertion of multiple JavaScript/CSS files • MathML Editor panel (based on ASCIIMathML) • Code Snippets panel • One-Click Templates Manager with ~2,500 free templates • Mobile Viewer • EyeDropper, a colorpicker allowing to select a color from anywhere on screen(s) (Windows and Linux only) • PUTter, to publish a document and the local resources attached to that document through HTTP PUT • Thumbnail manager • Word count warnings