Developer Tools
Format YAML with cleaner spacing and indentation.
Use this YAML formatter to improve readability with cleaner spacing, indentation, and line cleanup. It is useful for configs, CI files, deployment manifests, DevOps snippets, and quick editing when messy YAML becomes hard to scan.
Use this YAML formatter to improve readability with cleaner spacing, indentation, and line cleanup. It is useful for configs, CI files, deployment manifests, DevOps snippets, and quick editing when messy YAML becomes hard to scan.
Use yaml formatter when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
app: name: demo port: 3000
Output
app: name: demo port: 3000
Normalizes indentation and makes the YAML easier to read.
Input
services: web: image: nginx
Output
Formatted YAML output
Useful when pasted YAML contains tabs or inconsistent spacing.
Fix: Use a YAML validator if the file may actually be invalid.
Fix: Replace tabs with spaces and review nesting carefully.
Fix: Use a validator or schema-aware tool when correctness matters more than layout.
It cleans up spacing, indentation, tabs, and blank lines to make YAML easier to read.
No. It focuses on formatting and cleanup, not full YAML parsing or schema validation.
It is useful when copied or edited YAML looks messy and needs to be easier to review.
Yes. It works online in the browser.
Use the formatter when the YAML is mostly correct but hard to read. Use the validator when you mainly want to catch syntax problems.