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csvtk vs qsv: catalog facts
csvtk	qsv
Free Free and open source under the MIT license.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Includes subcommands for common CSV and TSV operations Supports field selection by name and number	A broad set of composable data-processing commands
Assumes input files have a header row by default Requires consistent field counts unless malformed rows are handled	Some features depend on build options and optional integrations.
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 October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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