YAML Formatter

Beautify, validate and format your YAML data instantly.

0 chars

Drop your YAML files here

Accepts .yaml, .yml, .txt

Indent:

Why use a YAML Formatter?

YAML (YAML Ain't Markup Language) is a human-readable data serialization language. It is commonly used for configuration files and in applications where data is being stored or transmitted. Because YAML relies on indentation, it can be easy to make mistakes. A YAML Formatter helps you:

Validate Syntax

Instantly check if your YAML is valid and find the exact line where errors occur.

Improve Readability

Automatically adjust indentation and spacing for a clean, consistent look.

Secure & Private

Your data is processed locally in your browser. We never store or transmit your YAML code.

How to Format YAML?

  1. Paste: Copy your YAML code and paste it into the editor.
  2. Drag & Drop: Alternatively, drag a .yaml or .yml file directly into the input area.
  3. Auto-Format: If enabled, the tool will format your code as you type.
  4. Download: Once formatted, you can copy the result or download it as a file.