CSV Tools
Free CSV Editor — Spreadsheet-Style Editing Online
Edit CSV files in a spreadsheet-style grid. Sort, filter, find & replace, add/delete rows and columns, undo/redo. Free, no sign-up.
FAQ
Can I edit large CSV files?
Yes, the editor uses virtual scrolling to efficiently handle files with thousands of rows. Only visible rows are rendered.
How do I undo changes?
Use the Undo button in the toolbar or press Ctrl+Z. Redo with Ctrl+Y.
Can I sort columns?
Yes, click any column header to sort ascending or descending.
Is the CSV editor free?
Yes, completely free. No sign-up required, no usage limits. All processing happens in your browser.