YAML powers Kubernetes manifests, Docker Compose, GitHub Actions, Ansible, and CI pipelines. One indentation error can break a deploy — a formatter catches issues before kubectl apply.
When you need a YAML formatter
- Clean up Kubernetes Deployment manifests before PR review
- Validate docker-compose.yml syntax locally
- Compare ConfigMap changes with Text Compare
- Convert YAML to JSON for API debugging
Format YAML in your browser
The VyomaStack YAML Formatter runs 100% locally:
1. Paste your YAML into the input panel 2. Click Format to beautify with 2- or 4-space indent 3. Click Validate to catch syntax errors 4. Click To JSON to convert for APIs or logs
Kubernetes YAML tips
- Use 2-space indent (K8s convention)
- Redact secrets before pasting into any online tool
- After formatting, run
kubectl apply --dry-run=client -f file.yaml - Pair with Cron Generator for scheduled jobs
YAML vs JSON for configs
| YAML | JSON |
| Human-readable | Machine-first |
| K8s, Docker, CI | APIs, logs |
| Indentation-sensitive | Brace-based |
Related tools
- JSON Formatter — format JSON output from YAML conversion
- Text Compare — diff two config versions
Try it free
Format Kubernetes and Docker YAML instantly — no signup.