How to Remap CSV Columns
🗺️ Open the CSV Column Mapper to try every feature described in this guide.
Open CSV Column Mapper →What Is the CSV Column Mapper?
The CSV Column Mapper lets you reorder, rename, and exclude columns from a CSV file to produce a new output with exactly the structure you need. It is particularly useful when you need to remap a source CSV to match a specific import template.
Try the CSV Column Mapper — runs entirely in your browser.
Open the Tool →When to Use It
- Reorder columns to match a target import template column order.
- Rename headers to meet naming requirements of a destination system.
- Exclude internal or sensitive columns before sharing a CSV.
- Build a clean output structure from a messy source CSV with many extra columns.
Key Features
| Feature | What it does |
|---|---|
| Column reordering | Drag columns up or down to set the output order |
| Header renaming | Edit each column's output name independently of the source |
| Column exclusion | Uncheck columns to omit them from the output |
| Live preview | See the first rows of mapped output before exporting |
Privacy & Security
All processing runs locally inside your browser tab. Your files are never uploaded to any server.
For a step-by-step walkthrough, see the CSV Column Mapper tutorial.
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