CSV tools
CSV / data tools in your browser
Free CSV utilities that process files in your browser — without uploading them to BizNavi Hub for conversion.
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Merge CSV
Combine multiple CSV files into one, with same or union columns.
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Remove Duplicates
Remove duplicate rows from a CSV by entire row or selected columns.
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Column Compare
Compare one key column from two CSVs: only in A, in both, or only in B.
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CSV Diff
Compare OLD and NEW CSVs by key: added, removed, changed, and unchanged rows.
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Encoding Converter
Convert CSV between UTF-8, UTF-8 BOM, and Shift_JIS / CP932.