Skip to main content
FreeFormatHub
📊

CSV Formatter & Validator

Format, validate, and convert CSV data with support for different delimiters, data type detection, sorting, filtering, and conversion to JSON or table format.

CSV Input

Examples:

CSV Output

Options

How It Works

Privacy First

This csv formatter & validator processes your data entirely in your browser. No data is uploaded to any server, ensuring complete privacy and security.

Lightning Fast

Instant processing with real-time validation and error detection. No waiting, no delays - just immediate results.

Versatile Use Cases

  • Data cleaning and preprocessing
  • CSV file validation and error detection
  • Format conversion between CSV, TSV, and JSON

Mobile Friendly

Responsive design that works perfectly on all devices and screen sizes. Touch-friendly interface for mobile users.

Frequently Asked Questions

What delimiters are supported?
The tool supports comma, semicolon, tab, pipe, and custom delimiters. It can auto-detect the most likely delimiter from your data.
How does data type detection work?
The tool analyzes column values to detect integers, numbers, dates, booleans, emails, URLs, and text. This helps with validation and proper data handling.
Can I sort and filter CSV data?
Yes, you can sort by any column in ascending or descending order, and filter rows by column values using substring matching.
What validation features are available?
Validation includes checking column consistency, detecting empty rows, data type validation, and identifying malformed records with detailed error reporting.
How are quoted fields handled?
The tool properly handles quoted fields with embedded delimiters, newlines, and escaped quotes according to RFC 4180 CSV standards.

Related Tools