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betaTables & Data
Column Mapper
Align disparate column names to a standard schema, apply mapping rules, and export clean outputs.
columnsmappingdata
Key features
- Header suggestions
- Manual override
- Export mapping
Best for
- Schema alignment
- Multi-source data
- Cleanup pipelines
Privacy
Runs locally. Files never leave your device.
How to use
- 1) Add your file(s) locally from your device.
- 2) Choose options (pages, OCR, columns, or settings).
- 3) Export the result (PDF/CSV/XLSX) — still locally.
FAQ
Can I override mappings?
Yes. Use dropdowns to customize mappings.
Does it preserve raw data?
Yes. Mapping only affects output columns.
Is it client-side?
Yes. No uploads.
Related guides
- How to Extract a Table from PDF to Excel
Extract tables from PDF statements into Excel/CSV with reliable column structure and clean dates.