YAML is human-readable data serialization (configs for Docker, Kubernetes, GitHub Actions). In 2026, preferred over JSON for readability in DevOps. Indentation-sensitive.
As part of the code category, this format is highly optimized for its specific use case. Whether you are using it for professional or personal tasks, understanding how to handle .yaml files is essential for efficient digital workflows.
Edit in VS Code with YAML extension for linting.