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Accurately convert between XML and YAML formats. Supports custom indentation, attribute handling, and other parameters to meet developer configuration needs.
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
This converter accepts XML and produces YAML, or accepts YAML and produces XML. The input is parsed and automatically converted after a short pause; the output can be copied or downloaded. Use the direction control to swap formats when you want to convert back.
XML represents data with named elements and can also carry attributes and text nodes. YAML represents structured values through mappings, sequences, and scalars. Because the formats do not have identical structures, conversion maps parsed content into another representation rather than preserving every source-level detail.
In the compact mapping used here, an XML element's child names become nested keys. Repeated sibling elements can become a sequence. Attributes and text are represented as special fields in the parsed structure, such as _attributes and _text; CDATA can appear as _cdata. For example, an XML element with a name attribute and text content may become a YAML mapping containing those special fields. Check the generated structure against the format expected by the application that will consume it.
Conversion passes through a structured intermediate form. Formatting equivalence does not mean a byte-for-byte round trip: whitespace, comments, declarations, namespace details, mixed content, YAML aliases, or other syntax-level features may not survive unchanged.
A simple nested document with element names and text values is a good fit for conversion. XML attributes, repeated elements, or text mixed with child elements need closer review because their representation differs between the formats. YAML also supports features such as anchors and aliases that do not map directly to ordinary XML elements. Inspect the output before using it as application configuration or data interchange.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
Start on XML to YAML or use the swap control for YAML to XML. The input and output labels show which format is expected on each side.
Enter valid source text in the input editor. Use the example control if available in the editor, or paste a small sample first to confirm the mapping.
The converter runs automatically after you stop typing briefly. If parsing fails, read the displayed error and correct the source syntax before continuing.
When output appears, copy it to the clipboard or download the converted text. Validate it with the application or parser that will use the result.
Before converting a large configuration, try a sample containing the features that matter to you: nested elements, an attribute, repeated elements, or mixed text and child elements. Compare the result with the destination application's expected field names and value types. If you swap direction, review the newly generated output rather than assuming it reconstructs the original source exactly.
Use cases
See how the tool fits into real work and everyday tasks.
A developer can convert a basic XML record into YAML for a workflow that consumes nested mappings, then review field names and values before adding it to a project.
When a system expects XML but a sample arrives in YAML, convert a small document and check whether the destination expects particular element names, attributes, or repeated-item structure.
Not guaranteed. XML and YAML have different data models and syntax features, and this converter uses a parsed intermediate representation. Review the result for any structure or metadata important to your use.
They can appear as special mapping keys such as _attributes and _text. Confirm that this representation suits the destination format or application.
Do not assume so. The conversion is structural rather than a preservation of every original token and formatting detail. Inspect the converted output and test it with the intended parser.
Notes
Review scope, result limitations, and important precautions before use.
A successful conversion means the input was parsed and output was produced; it does not certify that the destination application will interpret the data as intended. Review values, repeated items, attributes, namespaces, mixed content, and formatting-sensitive details. Keep the original source if exact source text or round-trip fidelity matters.
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