YAML Tools: Editor & Validator
JSON Schema, Convert & Diff
Lowest price: $0.99 5 months ago (-101%)
Price history
About
A private YAML editor for mobile devices that allows you to write, validate, convert, and compare configuration files. It offers desktop-like editing features, JSON schema validation, and multiple export formats.
What's New in YAML Tools
5.0
November 11, 2026
• Multi-document YAML: files with --- separators now format, validate and display every document • Backspace in indentation steps back a whole indent level, and the keyboard toolbar has a new outdent key • Line-number gutter: tap a number to select its line, long-press for Copy Line, Fold and Unfold All • Notifications no longer block the screen • Fixed the keyboard covering dialogs on iPad
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FAQ
What is YAML Tools?
YAML Tools is a private YAML editor for iPhone and iPad that allows you to write, validate, convert, and compare configuration files directly on your device. It offers features like syntax highlighting, JSON schema validation, and multiple export formats.
Does YAML Tools have ads?
No, YAML Tools is designed to be private and does not contain any advertisements. Your documents are processed entirely on your device.
What platforms is YAML Tools available on?
YAML Tools is available for iPhone, iPad, and iPod devices.
How does YAML Tools handle privacy?
YAML Tools is private by design. All document processing occurs on your device, and your files are never uploaded. It does not require an account or use tracking.
What file formats can YAML Tools convert to?
YAML Tools can convert YAML to JSON, XML, CSV, TSV, TOML, TOON, HTML, Markdown, and Base64. It can also generate model classes for various programming languages.
How does the validation feature work in YAML Tools?
YAML Tools validates your YAML files using JSON Schema. It includes a built-in SchemaStore catalog and allows you to use declared schemas, add them from files or URLs, or generate one from your YAML. Errors are pinpointed to the exact line.
What are the editing features in YAML Tools?
YAML Tools offers desktop-like editing with syntax highlighting, line numbers, code folding, smart indentation, and a keyboard toolbar. It also supports tabs, find and replace, undo/redo, and full iPad keyboard shortcuts.
How often is YAML Tools updated?
The latest version of YAML Tools was released on November 11, 2026, indicating active development and updates. The app was last updated on this date.
