YAML Merge Tool

Merge multiple YAML files into one document.

In: yamlOut: yamlTask: convert

Input Mode

Choose how to provide your YAML data

Left YAML

Right YAML

Merged Result

app:
  retries: 3
  features:
    - core
    - beta
  timeout: 30

Merge Complete

Result is ready in the Merged Result pane.

Example input and output

Example YAML

{
  "left": "app:\n  retries: 3\n  features:\n    - core",
  "right": "app:\n  timeout: 30\n  features:\n    - beta"
}

Example YAML

app:
  retries: 3
  features:
    - core
    - beta
  timeout: 30

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Included in workflows

YAML Merge to JSON Validation

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YAML Overlay Drift Check

Merge YAML overlays, sort keys for determinism, then diff revisions for drift.

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Example input and output

Related tools

JSON to YAML Converter

YAML to JSON Converter

YAML Validator

YAML Formatter

XML to YAML Converter

YAML to XML Converter

CSV to YAML Converter

YAML to CSV Converter

YAML Sort Keys

YAML Minifier

YAML Diff Tool

YAML Flatten

YAML Unflatten

YAML Linter

YAML Path Evaluator

YAML Query Tool

YAML Key Renamer

YAML Value Replacer

YAML Splitter

YAML Schema Validator

Universal Converter

Data Generator

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Next steps

CSV Validator

CSV Formatter

JSON Validator

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JSON Minifier

JSON Diff (Compare)

JSON Sort Keys

JSON Schema Validator

JSON Path Evaluator

YAML Validator

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XML Validator

XML Formatter

XML Minifier

YAML Sort Keys

CSV Sorter

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XML Schema Validator (XSD)

YAML Minifier

YAML Diff Tool

YAML Linter

JSON Linter

YAML Schema Validator

XML Sort Elements

Format Detection Tool

API Response Formatter

File Comparison Suite

Included in workflows

YAML Merge to JSON Validation

YAML Overlay Drift Check

FAQ