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YAML Linter

YAML Input

YAML1 lines
1

Formatted Output

YAML1 lines
1

About the Yaml Lint

Validate and lint YAML files. Find syntax errors, indentation issues, and common YAML pitfalls.

Paste YAML to validate it instantly. Errors show the exact line and column. Also formats with proper indentation.

  • Validates YAML syntax with error positions
  • Formats and beautifies YAML documents
  • Supports YAML 1.2 specification
  • Detects common pitfalls like tabs and duplicate keys

How to use

  1. Paste your YAML.
  2. Errors are highlighted with positions.
  3. Valid YAML is formatted and ready to copy.