Excel & CSV Editor
Edit CSV, XLS and XLSX files directly in your browser. No install, no upload required.
1📁 Drop or click to load CSV / XLS / XLSX
2✏️ Click cells to edit inline
3⬇️ Export as XLSX / CSV / PDF
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Drop .csv, .xls, .xlsx here or click to browse
✓ Old Excel .xls supported • Merged cells preserved • 100% client-side
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Open a CSV, XLS or XLSX file to start editing
Your files never leave your device — all processing happens 100% client-side in the browser.
Supports CSV, XLS (legacy Excel) and XLSX. Merged cells preserved. Export to XLSX, CSV or PDF.