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DevToys vs OK JSON: catalog facts
DevToys	OK JSON
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid Sold through the Mac App Store and as a direct download; the research does not list the…
Windows, macOS, Linux	macOS
Includes text conversion, formatters, encoders and validation tools.	Opens clipboard JSON instantly, even when malformed jq, JSONPath and JavaScript queries built in
Its small utilities do not replace a full development environment.	macOS only Pricing not stated on the homepage
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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