Which markdown editors + YAML linters are on IndieIndex?

Short answer: 6 listings on IndieIndex match this intent. First in the curated list: Dillinger — Free online Markdown editor with live preview and export; StackEdit — Open-source in-browser Markdown editor (offline-capable) (+4 more below). This is a curated shortlist, not a test-based ranking — verify the live product before relying on it.

Updated (latest listing change on this page): 2026-10-02

IndieIndex curates 6 candidates for this intent among 426 published registry listings: Dillinger, StackEdit, YAMLlint, Text Compare!, Online YAML Tools (YAML→JSON), JSON Formatter. Markdown editors and YAML linters on IndieIndex for docs and config workflows.

Curated intent guide — not paid placement. Default outbound rel="ugc nofollow". Ownership/editorial never sold.

Deep search: GET /api/v1/search?q=markdown yaml · compare /compare/converters/ · category /c/converters/

Curated listings

Name	URL / slug	Categories	Ownership / editorial
Dillinger	https://dillinger.io/ /dillinger	converters, utilities	ownership=unclaimed editorial=approved rel=ugc nofollow
StackEdit	https://stackedit.io/ /stackedit	converters, utilities, privacy-local	ownership=unclaimed editorial=approved rel=ugc nofollow
YAMLlint	https://www.yamllint.com/ /yamllint	converters, utilities, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
Text Compare!	https://text-compare.com/ /text-compare	converters, utilities	ownership=unclaimed editorial=approved rel=ugc nofollow
Online YAML Tools (YAML→JSON)	https://onlineyamltools.com/convert-yaml-to-json /onlineyamltools-yaml-json	converters, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow
JSON Formatter	https://jsonformatter.org/ /jsonformatter	converters, devtools	ownership=unclaimed editorial=approved rel=ugc nofollow