Online CSV and Excel spreadsheet editor
Runs locally · Nothing uploaded
A powerful online CSV editor supporting visual table editing, Excel file import/export, and format conversion. Provides row & column operations, data sorting/filtering, and batch editing capabilities to help data analysts and developers efficiently process structured data.
Yes. The tool can directly import .xlsx and .xls Excel files, automatically converting them into editable table data.
The tool processes data in browser memory and typically handles CSV files of several MB smoothly. For very large files, processing in batches is recommended.
Three common formats are supported: CSV, JSON, and TSV, allowing you to choose the most suitable format for your needs.