DataFlow CSV Editor – Fast, local CSV editing in your browser

Summary: DataFlow CSV Editor is a browser-based tool for instant CSV file editing that processes data locally without uploads or accounts. It enables quick cleaning, merging, renaming, and reordering of CSV files while maintaining user privacy.

What it does

It opens CSV files instantly in the browser, allowing users to remove rows or columns, merge multiple files, and manage columns without external software or data uploads.

Who it's for

Users needing quick, lightweight CSV edits without relying on Excel, Google Sheets, or cloud services.

Why it matters

It eliminates the need for heavy tools or uploading sensitive data by processing CSV edits entirely on the device.