YAML Formatter
Standardize the indentation of your YAML files.
How to format and repair a YAML file?
Draft YAML
Paste your raw YAML configuration file containing alignment, spacing, or structural block issues.
js-yaml Analysis
Our local script loads the configuration into browser memory and reapplies an optimal, clean spacing structure.
Clean Configuration
Copy the formatted YAML code, perfectly indented with 2 spaces and ready for your DevOps environments.
The crucial importance of YAML file indentation
YAML (YAML Ain't Markup Language) has established itself as the absolute standard for configuring modern DevOps orchestration architectures (Kubernetes, Docker Compose, Ansible, CI/CD pipelines).
Its functionality relies exclusively on a structural indentation system using spaces, strictly forbidding the use of tabs. Our YAML Formatter uses the robust js-yaml engine to process your variables, strip away misaligned lines, and realign the hierarchy to 2 spaces by default for error-free builds.
Frequently Asked Questions
Why do tabs cause syntax errors in YAML files?
The official YAML language specification strictly prohibits the use of tab characters (Tab) for indentation structure because their byte representation and visual width vary across different operating systems. You must use standard spaces. Our online formatter converts these misalignments automatically.