HTML

Oxygen includes a variety of specialized features to assist you with creating and editing HTML5 documents. Working with HTML5 documents has never been so easy.
  • HTML Editor
    Oxygen provides a special framework for editing HTML files (html or htm file extensions) with a variety of specialized editing features, including validation, content completion, syntax highlighting, HTML-specific actions, and more.
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    HTML Editor
  • HTML Validation
    Oxygen includes a built-in validator used for validating HTML documents. It is based upon the W3C HTML Validator and the HTML documents are validated against the W3C HTML5 specification.
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    HTML Validation
  • HTML Queries
    Oxygen provides an XPath toolbar that makes it easy to quickly query HTML documents using XPath expressions.
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  • HTML Minification/Compression
    Oxygen includes the ability to reduce the size of a large HTML document through the process of minification. Ultimately, it helps to reduce loading times in web browsers.
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  • CSS-like Editing (Emmet)
    An Oxygen Emmet Plugin is available as an add-on and it provides the means for high-speed coding and editing in Text mode or Author mode via a content assistance mechanism and it can be used for HTML documents.
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    HTML CSS Abbreviation

What's New in
Oxygen XML Editor 27.1

March 24, 2025

Oxygen XML Editor version 27.1 expands upon the powerful features introduced in previous releases, including advanced AI actions, and AI-enabled XProc pipelines, integration with DITA-OT 4.3.0 and upgrades to the Git Client add-on.

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What's New in
Oxygen JSON Editor 27.1

March 24, 2025

Oxygen JSON Editor version 27.1 received a series of AI-based improvements and accelerates JSON document creation by automatically inserting required schema-defined structures when using the Author editing mode.

Learn more