column-mapping

Crypto Tax CSV Converter Desktop for Windows — import exchange or wallet-export CSV files, map columns, normalize dates/assets/fees, detect duplicates, merge datasets, save schemas, and export a clean unified CSV locally.

Merges multiple CSVs covering the same underlying data, even when column names differ. Runs exact and fuzzy column matching (difflib SequenceMatcher), tracks source file per row in a _source column, and produces a consolidated schema coverage report.

Open-source React CSV and Excel importer with validation, column mapping and optional AI transformations.

[Archived] Now part of the Golden Suite monorepo: github.com/benseverndev-oss/goldenmatch (packages/python/infermap). Active development, issues, and releases live there. Inference-driven schema mapping engine for Python and TypeScript.

✦ Preact CSV import wizard with Papa Parse, fuzzy column mapping, row validation, normalized preview, and error export.

Turn any messy freight file (CSV/TSV) into normalized, canonical loads with per-row confidence and cross-border crossing inference. Zero runtime dependencies. MIT.