How to Rename CSV Column Headers
✏️ Open the CSV Column Renamer to try every feature described in this guide.
Open CSV Column Renamer →What Is the CSV Column Renamer?
The CSV Column Renamer lets you edit the header row of a CSV file without touching any data rows. Upload a file, type new names for any or all headers, and export the result. All processing is browser-based.
Try the CSV Column Renamer — free, private, no install.
Open the Tool →When to Use It
- Standardise column names before importing into a system with strict naming requirements.
- Replace cryptic internal codes with readable names for a report.
- Rename headers to match a target schema before merging with another file.
- Remove spaces or special characters from header names that cause import errors.
Privacy
Your files are never uploaded anywhere. All processing happens locally in your browser tab.
For a step-by-step walkthrough see the CSV Column Renamer tutorial.
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