--- title: "HTML to XHTML Modifier" slug: "html-to-xhtml-modifier" description: "Information about the HTML to XHTML modifier." updated: 2026-01-30T12:09:40Z published: 2026-01-30T12:09:40Z canonical: "kb.lasernetgroup.com/html-to-xhtml-modifier" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.lasernetgroup.com/llms.txt > Use this file to discover all available pages before exploring further. # HTML to XHTML Modifier **Applies to:** Lasernet Core 11 Converts HTML to the more structured and precise XHTML format. It can fix many common errors in HTML files (such as missing end tags, elements with incorrect content model, non-standard elements or attributes, and so on) It can also fix invalid or badly formed HTML and clean it to produce a well-formed and valid XHTML. Examples of fixes it can make to bad HTML: - Straighten mixed-up tags. - Fix missing or mismatched end tags. - Add missing items (such as some tags and quote characters). ### Settings There are no user settings available for this modifier.