Csv column appender
World's simplest csv tool
Free online CSV column appender. Just load your CSV, enter the new columns, and your CSV will get the new columns added after the last column. Load CSV, append columns. There are no ads, popups or nonsense, just an awesome CSV column appender. Created by developers for developers.
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Csv column appender tool What is a csv column appender?
This tool adds one or more columns to the end of a Comma Separated Values (CSV) file. Super simple!
Csv column appender examples Click to use
This example appends a column with values val1 and val2 to the end of existing CSV data.
These options will be used automatically if you select this example.
Enter your CSV to be appended here
Pro tips Master online csv tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
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