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Tad vs SQLite Viewer: catalog facts
Tad	SQLite Viewer
Free Free and open source under the MIT licence.	Free Free to use in the browser.
Windows, macOS, Linux	Web
Opens CSV, Parquet, SQLite and DuckDB data in one app Pivot table view for exploring data without code	Runs client-side so data stays in the browser No installation needed
Hobby project with known bugs and rough edges Releases are infrequent; the latest is from June 2024	Read-only Files must fit in memory
Downloadable app	Web application
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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