Toolgebra/Tools/Data Operations
CSV Column Renamer

CSV Column Renamer

Rename CSV columns with dynamic rules or fuzzy matching for inconsistent names

Data Operationscsvrenamecolumnsstandardize
Input

Upload/paste a CSV to rename columns

0 / 1,000,000 characters

Parameters

Character used to separate values

Delimiter to use in output CSV

Remove all characters except alphanumeric, underscore, and hyphen

Convert column name case

Character to replace spaces in column names

JSON array mapping original column names to new names. These mappings are applied first; dynamic rules then apply only to unmapped columns.

✓ Valid JSON

Enter valid JSON. Use the Format button to auto-indent.

How to match old column names to input CSV columns

How to handle columns not specified in mappings

What to do if a mapping doesn't match any column

Output

Output will appear here after executing the tool

Processing happens entirely in your browser - your data stays private

CSV Column Renamer - Free Online Tool | Toolgebra