Grid-ML XML Schema Viewer

An easy-to-use online tool for viewing, searching, and comparing XML schemas.

Lighting fast search algorithm shows results immediately as you type.
Search using familiar business terms and phrases.
Find containers, data points, attributes, types, extension points, enumerated values, term descriptions, and data type definitions.
Search namespace prefixes and qualified names.
Search multiple schemas and root nodes at the same time.
Search across multiple source files and XML namespaces.
Filter results by container, data point, attribute, type, and enumeration.
Include or exclude definitions in scope of the search.
See result counts for each item type and schema tab.

Visualize all the locations of a data item in an uncluttered hierarchical view.
Quickly drill down to relevant leaf items. See how many search results there are under each container and how far down in the hierarchy they are located.
Load target result in the tabular view to explore adjacent data points and containers.
Visualize all children elements and attributes.
Navigate through all elements and sub-types that derive from a parent type.
Access data definitions, type definitions, and enumeration definitions all in one screen.
Click on external standards references like W3C, RFCs, USPS, and others to go directly to their website.

See elements added and removed, changes in the definitions, and updates to enumerated values and attributes.
Filter the list of differences by item name or description.
Compare different versions of the standard and analyze the impact of version upgrades.

Use the wizard to upload your own schema files or choose a ready-to-use schema from one of the available public repositories like NIEM, LegalXML, Ginnie Mae PDD, MISMO, UMDP, and PRIA.
Organize schemas into repositories and share them with team members and external contributors.
Search for global elements across all schemas within a repository.

Intuitive, single-screen layout increases productivity by avoid unnecessary scrolling.
View and search schemas without the risk of inadvertent changes to the source files.
Move from view to search and across the schemas tabs without loosing the state of each tab.
Online XML Schema Viewer, no installation is required.

Quickly understand the placement and usage requirements for all elements and attributes within a schema.
Sequence, Choice, and All compositors.
Min and max element occurrences.
Required, optional, or prohibited attribute usage.
Nillable, fixed, and default values.

Get all the information you need to leverage the extension capabilities of an XML schema.
See attribute and element wildcards and their allowed namespaces.
See abstract elements and allowed substitutions inline.
Lax, skip, strict content processing modes.
Block and final type substitution rules.

Check whether a XPath or JSONPath is supported by a schema.
Go straight to the desired location by entering its XPath or JSONPath.
Copy item name, XPath, or JSONPath, with or without corresponding data and type definitions.
Paste items to specifications documents such as Microsoft Excel, Word, Google Sheets, and Google Docs.
Paste XPath directly into XSL-T templates.
Paste the JSONPath directly into source code written in languages such as JavaScript, TypeScript, and Python.