Upload an Excel/CSV file or start fresh with a blank spreadsheet. Fast virtual scrolling, rich formatting, instant export — no install needed.
Upload an Excel or CSV file from your device to view and edit it instantly.
Start with a blank spreadsheet. Add data, format cells, and export when ready.
Opens 100,000+ row files instantly.
Switch between all sheets with click tabs.
Search and replace text across any sheet.
Full history — safely experiment.
Download edits as .xlsx or .csv.
All processing local — nothing uploaded.
Ceraview XLSX Editor uses virtual scrolling to handle spreadsheets with tens of thousands of rows without slowing down your browser.