YAML Formatter Online

Format, validate, and beautify YAML instantly with syntax highlighting and real-time validation.

YAML Input

0 lines, 0 chars

Format Options

Auto-format Sort keys

Indentation

2 spaces 4 spaces

Ready

What YAML features are supported?

Supports YAML 1.2 with basic formatting and validation.

Can it handle large files?

Optimized for up to 10,000 lines. Best under 2,000 lines.

Does it support YAML anchors?

Basic support for YAML anchors and aliases.

What about YAML tags?

Supports standard YAML tags like !!str, !!int, !!bool.

Can I convert YAML to JSON?

Yes! One-click conversion with formatting options.

Is my data secure?

100% secure! All processing happens locally in your browser.