Free Online CSV Editor

Edit CSV files online with our free CSV Editor. Upload, edit, and download CSV files in an Excel-like grid interface.

Your CSV is processed in your browser only. Default download encoding is UTF-8. Very large grids are capped for responsiveness.

Paste or edit CSV text

Drop a .csv file here or click to browse

Max 25 MB · text/csv or .csv

Delimiter

Quote

Escape

Skip empty lines

First row is header

Uses the last loaded text snapshot (file or “Load into grid”), not unsaved textarea edits.

Delimiter

Line endings

Download name

Write header row

Quote all fields

Grid

Tools

Source

Tips: Paste from Excel uses tab characters between cells and newlines between rows. Arrow keys move between cells when the grid is focused. Undo/redo applies to the whole sheet (add/delete row/column, load, trim, transpose, paste block).

Why teams use this Csv Editor page

Edit CSV files online with our free CSV Editor. Upload, edit, and download CSV files in an Excel-like grid interface.

Matches this URL

Copy and controls align with /csv-editor so bookmarks reopen the same workflow.

Preview before download

Catch formatting issues while the file is still in the tab.

Browser-first

No installer on locked-down laptops—open, run, save.

Private when local

Sensitive drafts stay on-device on routes that process locally.