CSV converter tools

Clean CSV files online. Trim whitespace, remove empty rows, and fix line endings. Runs in your browser.

Remove duplicate rows from CSV files. Dedupe by entire row or a specific column. Instant, browser-based.

Split a CSV file into multiple files by row count. Download-ready chunks for large datasets.

Merge multiple CSV files into one. Combines headers automatically. Paste or type CSV content.

Excel to CSV Converter Online. Free, instant, runs in your browser.

CSV to Excel Converter Online. Free, instant, runs in your browser.

CSV Delimiter Converter. Free, instant, runs in your browser.

CSV Column Mapper & Renamer. Free, instant, runs in your browser.

Transpose CSV Online. Free, instant, runs in your browser.