Excel Tools
XLSX Editor Online Free: Edit Excel Files
Open, edit, and save Excel, XLSX, XLS, ODS, or CSV files entirely in your browser. No signup needed.
How it works
Your file stays on your device. Nothing is uploaded.
- Open XLSX, XLS, ODS, or CSV files
- Click any cell to edit β add or delete rows
- Save the edited file as XLSX
Drop a spreadsheet here or click to browse
How to edit a spreadsheet
- Click "Open spreadsheet" or drag a file into the drop zone.
- Click any cell to edit its contents. Use "+ Add row" to insert rows.
- Click "Save XLSX" to download the edited file.
Frequently asked questions
Is my file uploaded to a server?
No. Everything runs in your browser using SheetJS. Your data never leaves your device.
What formats are supported?
XLSX, XLS, ODS, and CSV files. The output is always XLSX.