Compare software

YAMLlint vs Yamale: catalog facts
YAMLlint	Yamale
Free Free to use in the browser.	Free Free and open source under the MIT license.
Web	Windows, macOS, Linux, Command line
Paste-and-check workflow with no setup Returns a cleaned UTF-8 version of valid YAML	Validates one or many YAML files from the command line Provides a Python API
Reformatting strips comments No schema or style rules, only syntax checking	Requires Python 3.8 or newer and PyYAML Schemas should come from trusted sources
Web application	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.