How to Format YAML Online for Free — Indent and Beautify
Indent and format YAML files to make them readable. Fix messy indentation for Kubernetes and Docker configs in your browser.
Format YAML Online — Free & Private
Indent and format YAML files to make them readable and consistent — fix messy indentation, align keys, and validate structure for Kubernetes, Docker, and CI/CD configs, all processed in your browser.
YAML is indentation-sensitive, meaning inconsistent spacing causes silent failures in Kubernetes, Docker Compose, and Ansible. This formatter fixes indentation and structure without uploading your config.
How to Format YAML Online
Step 1: Paste Your YAML
Paste your unformatted or inconsistently indented YAML into the input editor.
Step 2: Click Format
Press the Format YAML button. The tool parses the YAML structure and applies consistent indentation and spacing.
Step 3: Review the Output
Check the formatted YAML in the output panel and verify the structure is correct and readable.
Step 4: Copy the Result
Copy the formatted YAML and paste it back into your config file or CI/CD pipeline definition.
Why Use This Formatter?
Completely Private
Your YAML configs with secrets and credentials never leave your browser.
Instant Formatting
Applies consistent 2-space indentation and validates YAML structure in milliseconds.
Validates Structure
Catches YAML syntax errors during formatting so you know your config is valid.
Format YAML Now — No Upload Required
Runs entirely in your browser — no upload, no account, no waiting.
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