CSV Viewer Editor

What is CSV Viewer Editor?

CSV Viewer Editor is a free online tool that lets you open, view, and edit CSV (Comma Separated Values) files directly in your browser. Upload a file or paste data, make changes in a spreadsheet-like interface, and download your edited CSV.

Why Use Our CSV Viewer Editor?

• No Software Required: Edit CSV files without installing Excel or any spreadsheet software
• Multiple Input Methods: Upload files or paste CSV content directly
• Auto Delimiter Detection: Automatically detects commas, semicolons, tabs, or pipes
• Full Editing: Add, edit, or delete rows and columns
• Instant Download: Export your edited data as a new CSV file
• 100% Free: No registration, no limits, no watermarks

How to Use CSV Viewer Editor

1. Upload a CSV file or paste your CSV data
2. Select the delimiter if needed (comma, semicolon, tab, pipe)
3. Click "Load CSV" to view the data in table format
4. Click any cell to edit its content
5. Use buttons to add or delete rows and columns
6. Click "Download CSV" to save your changes

Features

• Support for CSV, TSV, and TXT files (up to 5MB)
• Auto-detect delimiter from file content
• Inline cell editing with click-to-edit
• Add and delete rows and columns
• Edit column headers
• Statistics display (rows, columns, filled/empty cells)
• Sample data for quick testing

Supported Formats

• CSV: Comma-separated values (default)
• TSV: Tab-separated values
• Custom: Semicolon or pipe delimited files

Tips for Best Results

• Check "First row is header" if your data has column headers
• Use auto-detect for unknown delimiter formats
• Large files may take longer to process
• Click directly on cells to edit them

FAQ

What is the maximum file size?

You can upload CSV files up to 5MB in size. For larger files, consider splitting them first.

Can I edit Excel files?

This tool works with CSV format. Export your Excel file as CSV first, then use this editor.

Is my data secure?

Yes! All processing happens in your browser. Your data is never uploaded to our servers.

How do I save my changes?

Click the "Download CSV" button to save your edited data as a new CSV file.