CSV Desk - Offline CSV Cleanup

CSV Desk — offline CSV cleanup with a change report

Clean a small CSV without installing Python or uploading your data. Open the supplied HTML in Microsoft Edge on Windows, select a file or paste CSV, review the changes and save a separate cleaned copy.

- Trim surrounding whitespace, remove only exact duplicate rows, and optionally prefix formula-like cells.

- Keep identifiers, leading zeros and decimal strings as text.

- Preview the first 20 output rows and export a JSON report listing changed record/column positions.

- Read UTF-8 and GB18030 files; save UTF-8 BOM CSV.

- No account, analytics, network calls or runtime AI.

Includes the HTML tool, synthetic CSV example, usage guide and license for personal/commercial internal use. Input limits: 5 MB, 10,000 data records, 100 columns; comma-delimited CSV only. Not an XLSX converter, translation tool or game-engine integration. No custom service or guaranteed updates included.

AI disclosure: Code and documentation were generated by an AI assistant. Automated browser validation is recorded; no human review is claimed.

Price: $9 USD. Review the product limits before purchasing. Platform refund rules and mandatory consumer rights apply.