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Check & prepare data · Supporting · Experimental helper

CSV column selector

Keep selected CSV columns and arrange them in the order you specify.

Private by designYour input stays on your device. Processing happens in this browser.
Your workspace

Start with a file

CSV, TSV, or TXT · UTF-8 only · up to 10 MB. Original text and identifiers are retained; parsing happens when you run. Drop here, or use the file picker.

Paste CSV instead (optional)

Optional alternative to a file. Editing this text removes its selected file; source text is never reformatted during loading.

Leave blank to detect comma, semicolon, tab, or pipe. Otherwise enter one character.
Match the spelling and capitalization of the CSV header.
Ctrl / ⌘ + Enter to run
Result

A clear result starts here

Run the tool to see your output here.

Try the example to explore how it works.
What to know about this tool

Header names must match exactly and are entered as a comma-separated list. Headers containing commas cannot be selected that way. Up to 10 MB, 50,000 rows and 200 columns; rectangular CSV with unique nonblank headers required. CSV output has a conservative 20 MB cap.

Clear this workspace?

Your inputs, selected files, and current result will be cleared.

Keep the task moving
Explore workflow →
CSV file previewExperimental helperPreview the header and first records of a CSV using quoted-field parsing.Compare two CSV exportsMatch unique identifiers across exports and review added, removed and changed records with per-field differences.CSV row filterExperimental helperKeep CSV rows whose chosen column contains a search string.