XML MarkerXML Marker 
XML Marker (xmlmarker.exe). XML Marker is an XML and Json Editor that uses a synchronized table-tree-and...
XML Marker is a powerful XML editor that combines an integrated text editor with a clear GUI, letting you explore hierarchical and tabular relationships in your XML databases with ease. Designed for speed and clarity, it uses a synchronized table-tree view to give you precise control over every stage of your workflow.
The app lets you parse projects not only into XML, but also DTD, JSON, and plain text—ideal for multi-format development, data conversion, and cross-platform file handling. With automatic syntax error detection and instant highlighting, you can troubleshoot faster and maintain clean, consistent code across large files.
XML Marker also includes extensive customization tools to streamline project management. Search across your project, toggle bookmarks, or reparse documents effortlessly—perfect for complex data editing, API documentation maintenance, and scalable content structuring in advanced XML workflows.