GST CONSOLE · UTILITIES
Excel / CSV merger & cleaner
Merge sheets by column name, flag duplicate rows and retain source references. Files stay in your browser.
Files are processed in this browser only. They are not uploaded, saved to your workspace or sent to external services. Clear files when finished. Up to 5 MB/file, 20,000 rows and 500,000 cells; visible XLSX sheets or CSV, first non-empty row is the header.