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YAML Diff
Structural Diff & Comparator
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Original YAML0 lines
1
Modified YAML0 lines
1
Visual Diff Comparison
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Enter original and modified text above, then click Compare (⌘↵).

YAML Diff & Comparison Tool

Compare two YAML configuration files online with visual side-by-side diffing, line change indicators, and structural change tracking in your browser.

Side-by-side comparison
Addition/deletion highlights
Indentation normalization
Step-by-Step Guide

How to Use YAML Diff Online

Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.

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Step 1Normalizes indentation across both YAML inputs.
2
Step 2Performs line-by-line diff comparison.
3
Step 3Highlights additions in green and deletions in red.
Demonstration

Example Input & Output

Identifies modified environment variables and added configuration keys between two YAML manifests.

Original YAML (Left)
apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  ENV: staging
  PORT: "3000"
Modified YAML (Right)
  metadata:
    name: app-config
  data:
-   ENV: staging
+   ENV: production
-   PORT: "3000"
+   PORT: "8080"
+   LOG_LEVEL: info
Applications

Common Use Cases

Kubernetes Manifest Diffs

Compare deployment YAML manifests between staging and production clusters.

Helm Chart Value Verification

Compare default values.yaml against custom release overrides.

Guidelines

Specifications & Gotchas

Trailing Whitespace

Inconsistent trailing spaces can cause diff noise unless normalized.

Knowledge

Frequently Asked Questions

How do I compare two YAML files?

Paste the original YAML into the left pane and the modified YAML into the right pane; differences will be highlighted immediately.

Does it highlight changed values?

Yes, modified lines, additions, and deletions are visually color-coded.

Workflow

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