https://yamltojsonfree.com/ Guides to YAML versions, parser error messages, and YAML to JSON conversion in code, from yamltojsonfree.com. en Mon, 07 Sep 2026 00:00:00 GMT https://yamltojsonfree.com/common-yaml-errors/bad-indentation-of-a-mapping-entry/ https://yamltojsonfree.com/common-yaml-errors/bad-indentation-of-a-mapping-entry/ Mon, 07 Sep 2026 00:00:00 GMT js-yaml’s “bad indentation of a mapping entry” covers four different mistakes: a colon in a value, uneven sibling indentation, a key nested under a value, and a reserved character. Each with a fix. https://yamltojsonfree.com/common-yaml-errors/could-not-find-expected-colon/ https://yamltojsonfree.com/common-yaml-errors/could-not-find-expected-colon/ Mon, 07 Sep 2026 00:00:00 GMT What “could not find expected ':'” means: a line that should be a key has no colon, or a value spilled onto the next line. Causes, the off-by-one line number, and fixes. https://yamltojsonfree.com/common-yaml-errors/did-not-find-expected-key/ https://yamltojsonfree.com/common-yaml-errors/did-not-find-expected-key/ Mon, 07 Sep 2026 00:00:00 GMT What “did not find expected key” means, the indentation mistakes behind it, why the reported line is one below the problem, and how to fix each case. https://yamltojsonfree.com/common-yaml-errors/found-character-that-cannot-start-any-token/ https://yamltojsonfree.com/common-yaml-errors/found-character-that-cannot-start-any-token/ Mon, 07 Sep 2026 00:00:00 GMT This YAML error almost always means a tab was used for indentation. The other causes are a value starting with @ or a backtick. How to find the character and fix it. https://yamltojsonfree.com/common-yaml-errors/mapping-values-are-not-allowed-in-this-context/ https://yamltojsonfree.com/common-yaml-errors/mapping-values-are-not-allowed-in-this-context/ Mon, 07 Sep 2026 00:00:00 GMT What “mapping values are not allowed in this context” means, the three mistakes that cause it, why the line number points at the wrong line, and the fix for each. https://yamltojsonfree.com/common-yaml-errors/control-characters-are-not-allowed/ https://yamltojsonfree.com/common-yaml-errors/control-characters-are-not-allowed/ Mon, 07 Sep 2026 00:00:00 GMT What “control characters are not allowed” means in YAML, the invisible characters that cause it, how to find them with grep and cat -A, and how to strip them. https://yamltojsonfree.com/common-yaml-errors/error-converting-yaml-to-json/ https://yamltojsonfree.com/common-yaml-errors/error-converting-yaml-to-json/ Mon, 07 Sep 2026 00:00:00 GMT What kubectl and Helm mean by “error converting YAML to JSON: yaml: line N”, why the line number does not match your file, and the fix for each inner message. https://yamltojsonfree.com/common-yaml-errors/ https://yamltojsonfree.com/common-yaml-errors/ Tue, 25 Aug 2026 00:00:00 GMT The six errors behind almost every failed parse — what each one means, why the parser complains, and the exact fix. https://yamltojsonfree.com/convert-yaml-to-json-in-code/ https://yamltojsonfree.com/convert-yaml-to-json-in-code/ Tue, 25 Aug 2026 00:00:00 GMT The command line and script equivalents of this site: yq, Python, Node.js, and Go — with the version gotchas each one carries. https://yamltojsonfree.com/yaml-1-1-vs-1-2/ https://yamltojsonfree.com/yaml-1-1-vs-1-2/ Tue, 25 Aug 2026 00:00:00 GMT Why country: NO becomes false in one version and stays a string in the other — the Norway problem, and every value that changes meaning.