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OK JSON vs JSON Formatter: catalog facts
OK JSON	JSON Formatter
Paid Sold through the Mac App Store and as a direct download; the research does not list the…	Free Free and open source.
macOS	Browser extension
Opens clipboard JSON instantly, even when malformed jq, JSONPath and JavaScript queries built in	Collapsible trees with indent guides and syntax highlighting Toggle between raw and parsed JSON
macOS only Pricing not stated on the homepage	Built as a Chrome extension; other browsers are not mentioned Viewing only, not a JSON editor
Downloadable app	Browser extension
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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