🔄 Conversion & Encoding

Format, file, archive, unit, and encoding conversion tools

Export worksheet data to Parquet and/or NDJSON for data lake and data warehouse pipelines

Rename, reorder, and drop Excel columns with alias matching and case/whitespace normalization

Unpivot wide tables (e.g., month columns) into normalized long-form records for database ingestion

Extract a specific sheet/range/named-range from Excel into JSON with coordinates or record objects

Export each Excel worksheet as an individual CSV file and include a manifest with schema/statistics

Auto-detect CSV delimiter/encoding (UTF-8/GBK), normalize the table, and import to XLSX/CSV

Batch convert CSV/TSV to XLSX or convert XLSX back to CSV/TSV with delimiter and encoding handling

Bidirectional conversion between JSON arrays and Excel sheets, with nested object flattening and restoration

Convert GeoJSON format to GPX (GPS Exchange Format) format

Convert KML (Keyhole Markup Language) format to GeoJSON format

Convert GeoJSON format to OpenStreetMap (OSM) XML format

Convert GeoJSON format to KML (Keyhole Markup Language) format