Clear scope.
Useful expectations.

Last updated: 13 October 2026. The free workbench is available now. The offline edition is in pre-launch preparation; no purchase is available here.

Free workbench

One CSV, TSV or text file per job, up to 2 MB, 10,000 data rows and 200 columns. Files need a header row and consistent field counts. The converter exports UTF-8 BOM CSV or a single-sheet XLSX with every value stored as text. Review outputs and keep your originals.

Planned offline edition

Planned price: US$19 one time for one user, including commercial use of the tool. A ZIP contains local HTML, JavaScript, styles and documentation. No installation, account or recurring subscription is needed to run the downloaded version. Resale or redistribution of the software is not included; the files you generate belong to you. Version 1 is included. Future paid versions or indefinite support are not promised.

Limits: up to 100 input files, 20 MB per file, 50 MB total, 100,000 combined data rows and 200 columns. Results are limited to 1,000,000 cells. Split ZIP exports allow up to 1,000 parts per job. Processing performance depends on your device. Modern desktop Chrome and Edge are the primary targets. Mobile workflows, XLSX input, macros and formula calculation are outside scope.

Before paid sales begin

The checkout provider, seller details where required, customer support route, refund terms and final price including applicable taxes will be provided before purchase. No preorders or deposits are accepted on this page.

한국어 안내

무료 도구는 지금 사용할 수 있으며 오프라인 상품은 출시 준비 중입니다. 오프라인 버전은 1인용, 업무용 사용 가능한 다운로드 상품으로 계획되어 있습니다. 재판매·재배포 권한은 포함하지 않으며 직접 만든 결과 파일은 사용자의 것입니다. 결제·고객지원·환불 및 필요한 판매자 정보를 준비한 뒤 판매를 시작합니다.