Sort a CSV file by any column, and remove duplicate rows.
Click to choose a CSV file or drag and drop it here
Merge multiple CSV files with the same columns into one.
Rename multiple files at once using a pattern.
Break a URL down into its protocol, host, path, and query.
Parse a browser User-Agent string into browser, OS, and device info.
Merge multiple Excel files (same columns) into one.
Check whether an IBAN is correctly formatted and valid.