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YAML Validator
YAML Validator
Paste YAML, detect errors instantly, view parsed keys.
YAML Input
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name: deploy-app on: push: branches: [main] jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 - name: Setup Node uses: actions/setup-node@v3 with: node-version: "18" - run: npm ci && npm run build
Validate YAML
Tips
Use 2-space indentation (never tabs) for YAML files.
Strings with special characters (:, #, &) should be quoted.
Boolean values:
true
/
false
(not True/Yes).
Multi-line strings: use
|
(literal) or
>
(folded) block scalars.