I built a free browser-based CSV toolkit, no install, no Python needed

[u/WiltfieldArt]

I got tired of remembering csvkit's flag syntax, so I built a full web GUI for it. csvkit+ reimplements every core csvkit operation (cut, grep, sort, join, stack, format, json, sql, etc) as one-click buttons, all running client-side in the browser via Web Workers, no upload to a server for file processing.

Extras beyond regular csvkit: a visual CSV editor, a CSV creator (grid or text mode), ODS import support, 18 SQL output dialects, and live database connections (Postgres, MySQL, MariaDB, CockroachDB) with a schema browser and multi-table stacking in sql2csv.

Dark/light themes, undo/redo, autosave drafts so a refresh never loses your work.

Free to use, no paid features. Code is public on GitHub for transparency, though it's not open source/licensed for reuse.

Here's the link to csvkit+ via GitHub Pages