CSV Table Editor - Edit Spreadsheet Data Online

Edit CSV files with visual table interface. Add, delete, edit rows and columns. Sort data, adjust values. Browser-based with no uploads needed.

Drop CSV file here or click to browse

Accepts .csv, .tsv, .txt files

CSV Input

0 rows × 0 columns

Editable Table

Load CSV data to start editing...

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Frequently Asked Questions

Click the 'Add Row' button to append a new empty row at the bottom. To insert a row at a specific position, right-click any row and select 'Insert Row Above' or 'Insert Row Below'.

Yes. Use 'Add Column' to append a new column, or right-click any column header to insert, rename, or delete columns. All changes update instantly in the preview.

Click any cell to activate inline editing. Type your changes and press Enter to save, or Tab to move to the next cell. Press Escape to cancel edits.

CSV fields with commas, quotes, or newlines are automatically wrapped in quotes during export. The editor preserves RFC 4180 CSV formatting for compatibility with Excel and other tools.

Yes. Click any column header to sort alphabetically or numerically. Click again to reverse sort order. Sorting affects all rows while preserving column relationships.

The editor maintains your original CSV in the input textarea. Reload the file or click 'Reset' to restore the original data. For selective undo, manually edit cells back to previous values.

No hard limit exists. Files with thousands of rows work well. Very large CSV files (over 50MB) may render slowly. For massive datasets, consider using desktop spreadsheet software.

Yes. Copy cells from Excel and paste into the input textarea. Excel uses tab-separated format by default, which the editor auto-detects. You can also paste CSV text directly.

The editor auto-detects comma, tab, semicolon, and pipe delimiters. You can manually select the delimiter using the dropdown menu if auto-detection fails.

No. All CSV parsing, editing, and export happens entirely in your browser using JavaScript. Your spreadsheet data never leaves your computer.

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