YAML Beautifier / Validator

YAML Beautifier / Validator on devsutils.com — Format and validate YAML. It runs entirely in your browser: the input you paste is processed by client-side JavaScript and is never uploaded, logged, or stored. devsutils.com is a privacy-first suite of 70 developer utilities — JSON formatter, JWT decoder, Base64 encoder, regex tester, UUID generator, hash generator and more — with no accounts and no server-side processing.