Delete Columns from a CSV
Upload a CSV and remove the columns you do not need. Select one or many, then download the trimmed file. Your data stays in your browser.
Using sample data
3 rows, 5 columns · Processed in your browser, never uploaded
Input preview
| id | name | internal_notes | temp_flag | |
|---|---|---|---|---|
| 1 | Acme Corp | check later | a@acme.co | x |
| 2 | Tech Inc | follow up | b@tech.io | y |
| 3 | Sales Co | ignore | c@sales.com | z |
Want more than a quick fix?
Need to also rename and reorder columns to match a CRM or database import format? The AI app restructures files for you.
How to delete columns in a CSV
- 1Upload your CSV file (or use the sample loaded above).
- 2Choose your options — columns and settings.
- 3Click "Delete selected columns" to process instantly in your browser.
- 4Download the clean CSV. Nothing is ever uploaded to a server.
Doing something more complex?
Read the guide: How to prepare a CSV file for CRM or database import.
View guide →Need smarter csv transform?
Need to also rename and reorder columns to match a CRM or database import format? The AI app restructures files for you.
Try AI transform free →FAQ
- Is the delete columns tool free?
- Yes. This tool is completely free, requires no account, and runs entirely in your browser. Your CSV file is never uploaded to a server.
- When should I use Magic CSV AI instead?
- Need to also rename and reorder columns to match a CRM or database import format? The AI app restructures files for you.
- What file formats are supported?
- Upload any comma-separated CSV file. You can download the result as a clean CSV ready for Excel, Google Sheets, or database import.
More free CSV tools
Upload a CSV and instantly remove duplicate rows. Choose which columns define a duplicate, or match across every column. Your file never leaves your browser.
Remove Empty RowsUpload a CSV and strip out every blank row in one click. Perfect for cleaning up exports with scattered empty lines. Everything runs in your browser.
Merge ColumnsUpload a CSV and combine several columns into a single column with the separator you choose. Great for building full names or addresses. Runs in your browser.
Split ColumnUpload a CSV and split a single column into multiple columns using any delimiter. Your file is processed in your browser and never uploaded.