Excel editor
Open, edit and save .xlsx and .csv spreadsheets online.
Your files stay in your browserDrag your Excel or CSV here
or click to select it, or start blank below
How it works in 3 steps
Open or create
Upload an .xlsx or .csv file, or start with a blank sheet.
Edit
Click any cell and type. Add rows, columns, or sheets.
Save
Download the result in Excel (.xlsx) or CSV format whenever you want.
Edit spreadsheets online, free
Open, change, and save your Excel (.xlsx) and CSV sheets directly in the browser. Ideal for quick edits without opening a heavy program or uploading your data to the cloud.
No watermark, no sign-up, and fully private: the file is processed on your device and is not sent to any server.
Free, no watermark
No usage limits and no stamped files. The result is 100% yours.
Private by design
Everything is processed in your browser. Your documents are never uploaded.
Fast
No queues, no waiting: it uses the power of your own device.
No sign-up
No account and no email needed. Just open it and start working.
Frequently asked questions
Do I need Excel installed?
No. The editor runs inside your browser, with nothing to install and no account needed.
Are my data uploaded to the internet?
No. The file is opened and saved on your own device. Your data never leaves the browser.
Which formats can I open and save?
You can open .xlsx, .xls, and .csv, and save to .xlsx or .csv. Multiple sheets are kept when opening and when saving to Excel.
Does it keep formulas?
Cell values are shown and saved. Complex formulas may not recalculate, since this is a lightweight editor meant for viewing and changing data quickly.