YAML Tools: Editor & Validator

A fast, private YAML editor for iPhone and iPad. Write and fix Kubernetes manifests, Docker Compose files, GitHub Actions workflows and any other config, then validate, convert and compare it without leaving your device.

EDIT LIKE ON YOUR DESKTOP
• Syntax highlighting, line numbers and code folding
• Smart indentation: Enter indents after a key, Backspace steps back a whole level
• Keyboard toolbar with YAML keys, indent and outdent
• Tabs, find and replace, undo and redo, and full iPad keyboard shortcuts
• Multi-document files (---) fully supported

VALIDATE WITH JSON SCHEMA
• Built-in SchemaStore catalog covering hundreds of popular config files
• Use the schema your file declares, add one from a file or URL, or generate one from your YAML
• Errors point to the exact line

CONVERT AND EXPORT
• Format or minify with your preferred indentation
• Convert YAML to JSON, XML, CSV, TSV, TOML, TOON, HTML, Markdown and Base64
• Generate model classes for Swift, Kotlin, Dart, TypeScript, Python, Java, C# and Go

EXPLORE AND COMPARE
• Interactive tree view with search and Copy JSONPath
• Side-by-side diff against another file, pasted text, an open tab or a URL

PRIVATE BY DESIGN
Your documents are processed on your device and never uploaded. No account, no ads, no tracking. Open files from the Files app, iCloud Drive or a URL, and share results anywhere.