YAML Flatten
Flatten nested YAML structures into path-based keys.
YAML Flatten
Flatten nested YAML into a single-level mapping with dotted paths.
YAML Input
Paste YAML content to flatten.
Flattened YAML
Path-based YAML mapping suitable for diffing or key-level edits.
Example input and output
user:
profile:
name: Ada
age: 31user.profile.name: Ada user.profile.age: 31
Related tools
JSON to YAML Converter
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YAML to JSON Converter
yaml-toolsParse YAML and convert it to formatted JSON.
YAML Validator
yaml-toolsValidate YAML syntax and report the parsed type and top-level keys on success.
YAML Formatter
yaml-toolsNormalize YAML by parsing and re-emitting with consistent 2-space indentation and block style.
XML to YAML Converter
xml-toolsConvert XML structures into readable YAML output.
CSV to YAML Converter
csv-toolsConvert CSV rows into YAML arrays of objects.
YAML to CSV Converter
yaml-toolsConvert YAML arrays of records into CSV rows.
YAML Sort Keys
yaml-toolsSort YAML mapping keys alphabetically, recursively.
YAML Diff Tool
yaml-toolsCompare two YAML documents and report differences.
YAML Linter
yaml-toolsLint YAML style and structure with stricter quality rules.
YAML Path Evaluator
yaml-toolsEvaluate path expressions against YAML input.
YAML Query Tool
yaml-toolsRun query expressions to extract or transform YAML data.
YAML Splitter
yaml-toolsSplit a YAML top-level array into chunked sub-arrays.
YAML Schema Validator
yaml-toolsValidate YAML content against a JSON Schema.
YAML Tree Viewer
yaml-toolsRender YAML as an interactive collapsible tree for easier config exploration.
YAML Analyzer
yaml-toolsAnalyze YAML structure for key depth, type distribution, array sizing, and anchor/alias usage.
Universal Converter
json-toolsAuto-detect sources and convert across supported JSON, XML, YAML, CSV, and Excel pairs, including structured JSON input and Excel base64 envelopes.
Data Generator
json-toolsGenerate deterministic mock records for JSON/CSV/XML/YAML testing.
YAML Filter
yaml-toolsFilter a YAML array of records by field conditions. Supports operators: equals, not-equals, contains, gte, lte.
YAML Schema Generator
yaml-toolsInfer a schema from YAML input and emit the inferred schema as YAML.
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Reverse tools
Next steps
CSV Validator
csv-toolsValidate CSV syntax and structure — checks column consistency, unclosed quotes, and empty headers.
CSV Formatter
csv-toolsNormalize CSV by parsing and re-emitting with consistent quoting and proper cell escaping.
JSON Formatter (Pretty Print)
json-toolsPretty-print JSON with consistent indentation.
JSON Diff (Compare)
json-toolsCompare two JSON documents and highlight differences.
JSON Sort Keys
json-toolsSort object keys alphabetically for stable JSON output.
JSON Schema Validator
json-toolsValidate JSON data against a provided JSON Schema.
JSON Path Evaluator
json-toolsEvaluate JSONPath expressions against JSON input.
YAML Validator
yaml-toolsValidate YAML syntax and report the parsed type and top-level keys on success.
YAML Formatter
yaml-toolsNormalize YAML by parsing and re-emitting with consistent 2-space indentation and block style.
XML Validator
xml-toolsCheck XML well-formedness and report the root element and any parse errors with line numbers.
XML Formatter
xml-toolsPretty-print XML with consistent 2-space indentation for improved readability.
YAML Sort Keys
yaml-toolsSort YAML mapping keys alphabetically, recursively.
XML Diff Tool
xml-toolsCompare two XML documents and highlight structural differences.
XML Schema Validator (XSD)
xml-toolsValidate XML against a provided XSD schema.
YAML Diff Tool
yaml-toolsCompare two YAML documents and report differences.
YAML Linter
yaml-toolsLint YAML style and structure with stricter quality rules.
JSON Linter
json-toolsLint JSON syntax and style with stricter practical checks.
YAML Schema Validator
yaml-toolsValidate YAML content against a JSON Schema.
XML Sort Elements
xml-toolsSort XML element structures for deterministic ordering.
Format Detection Tool
json-toolsAuto-detect whether input is JSON, XML, YAML, CSV, or plain text.
API Response Formatter
json-toolsDetect, pretty-format, and analyze API responses into a JSON report with HTTP metadata and formatted payload previews.
File Comparison Suite
json-toolsCompare JSON, XML, YAML, CSV, text, or SQL payloads from one unified entry point.
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Included in workflows
Validate then Flatten YAML
Validate YAML and flatten nested structures into path-based key form.
Flatten YAML then Convert to JSON
Flatten nested YAML and convert to JSON for downstream API and tooling usage.
YAML Flatten Output Sanity Check
Run YAML Flatten and immediately inspect the resulting payload format to verify the output is ready for the next handoff.
YAML Flatten: Quality Gate
Run YAML Flatten in a guardrailed pipeline that validates and prepares data for downstream consumption.
YAML Flatten: Delivery Flow
Use YAML Flatten as a middle step, then shape output for delivery to APIs, reports, or handoff files.
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