My workspace

Favorites and recent tool names stay in this browser only. Your files and results are not saved in this workspace.

Favorites

Recently used

Install app

If supported, use Install. On Android and desktop, look for Install app in the browser menu. On iPhone/iPad, use Safari → Share → Add to Home Screen. Menu names can vary by browser.

Compare spreadsheets

Ready

Compare spreadsheets. CSV/TSV (UTF-8), XLSX and JSON.

All tools are free to use. File size and processing limits may vary by tool.

How to use

CSV/TSV (UTF-8), XLSX and JSON. Select the worksheet number. Values only: formatting is not preserved, formulas are not calculated and Excel dates may appear as serial numbers. Maximum 10 MB/file, 50 MB total, 20,000 data rows, 100 columns and 300,000 cells.

How are files processed?

Browser tools keep files on your device. Advanced document tools upload files for temporary server processing; the tool shows this before upload. Web lookups send queries to the server and public lookup services.

Practical guide

Compare Spreadsheets

Find differences between your price list and a supplier update with this tool. Old and new files analyze in your browser. A shared key column and identical headers are required. Only visible values compare.

Read the guide →

Practical articles on this topic

Your privacy choice

Essential cookies support security and sessions. Basic visits are also counted; with your permission we enable additional usage analytics. Cookie Policy