How to use Format YAML Online
- Drop your YAML into the field at the top of Format YAML Online.
- Tune the Indent control before you format.
- Watch the output update instantly while you adjust the YAML.
- When it looks right, Copy to save it.
About this tool
Format YAML Online runs entirely in your browser. Format YAML Online reads your YAML on your device and returns the result instantly.
Nothing about your file is uploaded. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What does Format YAML Online do?
Use Format YAML Online to format your input without installing anything using the Indent control; everything happens client-side.
Does Format YAML Online cost anything?
No — Format YAML Online is completely free, with no sign-up and no hidden limits.
Where is my data processed by Format YAML Online?
Entirely in your browser — Format YAML Online keeps your data on your own machine and sends nothing anywhere.
How does Format YAML Online handle YAML indentation errors?
Format YAML Online reports the problem inline so you can fix the indentation, all within your browser.
Does Format YAML Online work on mobile?
Yes — Format YAML Online is just a web page and runs on any modern browser, including phones and tablets.