CSV Column Extractor
Paste or upload a CSV, pick the columns to keep, and download a filtered CSV. Runs entirely in your browser.
Pure browser JavaScript. CSV parsing by PapaParse (MIT), self-hosted.
How to use this tool
- Paste CSV or upload a .csv file (the first row must be a header).
- Click Parse columns, then tick the columns you want to keep.
- Click Extract, then Copy or Download the filtered CSV.
Paste or upload a CSV, pick the columns to keep, and download a filtered CSV. Runs entirely in your browser.
Frequently asked questions
- Is my file uploaded?
- No — parsing happens locally in your browser via PapaParse. Nothing leaves your device.
- Does it handle quoted commas?
- Yes — PapaParse correctly parses quoted fields, embedded commas, and escapes.