CSV input
Dataset
CSV Cleaner & Deduplicator
Trim cells, remove duplicate records and reserialize quoted CSV.
Open this toolCleaning a CSV needs record aware handling because commas and line breaks can belong inside quoted cells.
Choose the trim and duplicate rules, then review the reserialized dataset before replacing a source.
Inputs and controls
Input separator
Cleaning choices
Comma, Tab, Semicolon, Pipe
Cell whitespace
Cleaning choices
Trim cell edges, Keep whitespace
Duplicate rows
Cleaning choices
Keep first identical row, Keep every row
CSV export values
Cleaning choices
Protect spreadsheet formula cells, Preserve raw machine values
How to use
- Paste or enter CSV input.
- Choose input separator, cell whitespace, duplicate rows and CSV export values.
- Select Process input. Read the returned values alongside the assumptions below before copying, exporting or acting on the result.
Why use this tool
Matching rules stay explicit instead of treating every similar looking row as identical.
Before relying on the result
It removes records under the selected row rules and cannot decide business identity.
Questions
Does it merge different customers with similar names?
No. It removes records under the selected row rules and cannot decide business identity.
What should I check before using CSV Cleaner & Deduplicator?
Check CSV input, Input separator, Cell whitespace and Duplicate rows. Use the exact units shown beside the controls and replace any example values with your own inputs.
Source page last modified: 2026-10-04T16:58:29+00:00. This profile describes the tool; use its page to run it.
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