All Tools VerseInsert CSV Columns
Insert a new column into your CSV at the position you choose, with a value you set. Free, private, and works entirely in your browser.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Insert a new column into a CSV file at any position. Choose where the column goes, the value to fill it with, and an optional header name for the first row. Everything is processed in your browser, so your data stays private.
How to Use Insert CSV Columns
- Paste your CSV. Drop the CSV text into the input box.
- Set the position and value. Choose where the new column goes and what to fill it with.
- Insert. Select the button to add the column.
- Copy the result. Use the copy button to grab the new CSV.
Frequently Asked Questions
Does it handle quoted fields?
Yes. Fields wrapped in quotes, including ones that contain commas or line breaks, are parsed and rebuilt correctly.
Where is the column added?
At the position you choose, shifting the existing columns to the right so nothing is lost.
Is my data sent anywhere?
No. Everything runs in your browser, so the CSV you paste is never uploaded.
Is it free?
Yes. Every tool here is free to use with no sign up.
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