CSV Formatter & Validator
Format, validate, and transform CSV data with advanced options. Upload files or paste data directly.
Settings
Core CSV
Analysis & automation
Infer column types after format (shown below stats when available).
Off by default for large files โ turn on for live server updates.
1 = first column. Leave empty to skip sorting.
Input
Output
Validation & Diagnostics
Click any issue below to move the caret in the input.
About CSV Formatter & Validator
The CSV Formatter helps you organize and validate CSV data. It supports multiple delimiters, column alignment, file uploads, and ensures consistent data formatting for better readability and compatibility.
Key Features
- Multiple delimiter support (auto-detect available)
- Column alignment and validation
- Header row detection and handling
- Whitespace trimming and field quoting
- CSV file upload capability
- Convert to JSON or HTML Table
- Real-time validation with diagnostics
- Excel and compatibility checking
Tips & Best Practices
- Select the correct delimiter matching your CSV format
- Enable "Has Header Row" if your first row contains column names
- Use "Align Columns" for better readability
- Enable "Trim Whitespace" to clean up formatting
- Click on diagnostics to navigate to issues in your input
- Download formatted output for use in other applications