or click to browse
Drag and drop any .xlsx or .xls file onto the page, or click to browse. Your file stays in your browser — nothing is uploaded.
Double-click any cell to edit. Add or delete rows and columns, rename headers, and use find-and-replace. Switch between sheets to edit data from any part of the workbook.
Download your edited data as CSV, JSON, Parquet, or Excel. All your changes are included in the export.
Your files never leave your browser. All processing happens locally using WebAssembly — no uploads, no servers, no tracking.
Powered by DuckDB, the same engine used by data teams worldwide. Sort, filter, and search millions of rows in milliseconds.
Handle files with millions of rows. Virtual scrolling keeps the interface smooth regardless of dataset size.
No sign-up, no credit card, no hidden limits. Use these tools as much as you need, completely free.
Need to fix values in a spreadsheet without opening Excel? Want to clean up columns or delete rows from a workbook someone sent you? This free Excel editor lets you make quick edits directly in your browser. Data engineers use it to clean up spreadsheet exports before ingesting into pipelines. Analysts use it to fix formatting issues in multi-sheet workbooks. Teams use it to prepare Excel data for import — all without installing Office or any other software.
Yes, completely free with no limits. No sign-up or credit card required.
Your data never leaves your browser. All editing happens locally. We never see, store, or transmit your files.
Both .xlsx (modern Excel) and .xls (legacy Excel) formats are supported.
If your workbook has multiple sheets, a sheet selector dropdown appears. Switch between sheets to edit data from different parts of the workbook. Edits are applied to the currently selected sheet.
Yes. The editor supports full undo and redo with up to 50 levels of history. Use the toolbar buttons or standard keyboard shortcuts.
Yes. Use the toolbar buttons to add new rows or columns, delete selected rows, rename columns, or remove columns entirely.
Yes. The find-and-replace feature supports plain text and regular expressions, with options for case-sensitive matching. Replace individual matches or all at once.
You can export your edited data as CSV, JSON, Apache Parquet, or Excel (.xlsx).
No. This tool runs entirely in your web browser. No Office, LibreOffice, or any other software required.
View Excel files (.xlsx, .xls) instantly in your browser. Sort, filter, search across sheets. No upload required — your data never leaves your device.
Edit CSV files directly in your browser. Add rows, rename columns, find and replace, then export as CSV, JSON, Parquet, or Excel.
Convert Excel files (.xlsx, .xls) to CSV instantly in your browser. No upload, no signup. Privacy-first — your data never leaves your device.
Convert Excel files (.xlsx, .xls) to Apache Parquet instantly in your browser. No upload, no Python, no install. Smaller files, typed columns, Snappy compression.