Data Cleanup

CSV Cleaner, Dedupe, and Sort Tool

Trim messy rows, remove duplicates, drop empty lines, and sort CSV data before it reaches a spreadsheet or import job.

Runs in your browser No uploads Instant output

Client-side tool

CSV Cleaner, Dedupe, and Sort

Ready

Delimiter First row is header Trim cells Remove empty rows Remove duplicates Sort rows

Messy CSV

Cleaned CSV

Samples:

About this tool

Clean CSV before imports

This browser CSV cleaner is built for quick cleanup before loading files into analytics tools, spreadsheets, CRMs, or databases. It keeps headers intact when enabled and preserves quoted CSV output.

Supported inputs and outputs

CSV with quoted values, headers, duplicate rows, blank rows, and sortable records.

Privacy note

CSV Cleaner, Dedupe, and Sort runs in your browser. DataZier does not upload your pasted text or selected files for processing.