Spreadsheet Tools .

Convert CSV delimiters instantly with our free online tool. Change commas to semicolons, tabs to pipes, and more. Preview your data and download the converted file. 100% private and secure.

Convert CSV files to Excel format instantly with our free online converter. Upload, preview your data, and download as XLSX. 100% private—no server uploads. Start converting now.

Find and analyze duplicate rows in your data instantly with our free Duplicate Row Finder. Upload CSV or Excel files, select key columns, identify duplicates, and download clean data or PDF reports.

Create Excel formulas instantly with our free Formula Generator. Choose from VLOOKUP, SUMIF, INDEX-MATCH, and 25+ functions. Configure parameters visually and copy ready-to-use formulas. Try it now.

Convert spreadsheet tables to clean HTML code with our free online converter. Upload CSV or Excel files, choose from 5 table styles, customize output, and copy ready-to-use HTML with CSS. Try it now.

Convert Excel files to CSV format instantly with our free online converter. Upload XLSX or XLS files, preview your data, choose delimiters, and download as CSV. 100% private and secure.

Clean messy spreadsheet data instantly with our free Data Cleaner. Trim spaces, fix case, find and replace, remove duplicates, reorder columns, and download cleaned CSV or Excel. Try it now.

Merge two spreadsheets by a common column with our free online tool. Perform inner, left, right, and full outer joins on CSV or Excel files. Preview results and download merged data. 100% private.

Split large spreadsheet files instantly with our free online tool. Split by column values, row count, or custom filters. Download separate CSV or Excel files. 100% private and secure.