YAML Formatter
Make your YAML look better, cleaner and well-structured in seconds. This free online YAML formatter ensures the data is organized correctly with proper spaces and indentation applied automatically. Just copy your YAML inside the editor, click on Format YAML, and then you get the beautifully formatted output. You do not have to download or sign up for anything.
YAML Formatter & Beautifier
Do you have YAML files that are not properly formatted or look messy? Our Online YAML formatter cleans that in a few seconds. No matter if you are using configuration files copied from documentation, getting YAML from some applications, or even code that got messy after editing over and over, this formatter will restore its proper formatting instantly.
This tool lets supports YAML 1.1, YAML 1.2 and standard schemas like Failsafe, Core Schema, and JSON Schema. It can handle complex nested structures, lists, dictionaries, and multi-line strings while preserving your data integrity.
Main Features
Automatic Indentation
Fixes spacing problems and applies consistent indentation throughout your YAML file. No need to count spaces or worry about mixing tabs and spaces.
Structure Organization
Properly aligns nested elements, lists, and key-value pairs for maximum readability. Makes your YAML easier to read, review, and understand.
Instant Beautification
Transforms messy or single-line YAML into clean, professional-looking code. Perfect for documentation or versioning.
Real-time Error Detection
If your YAML contains syntax mistakes, the formatter highlights the exact lines with issues and shows clear error messages so you can fix them quickly.
Safe & Secure
Everything works directly in your browser and nothing gets uploaded. Your YAML files stay on your device, keeping sensitive data fully secure.
Free & Accessible
No need for IDE extensions or CLI tools. Format YAML instantly from any device - Windows, Mac, or Linux.