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jnv vs fx: catalog facts
jnv	fx
Free The open-source application is available without a license fee.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Live query feedback without a separate jq dependency	Lets you explore structured data without opening a separate editor.
Completion supports only a limited set of filter forms.	Requires terminal use and valid input data.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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