CSV Data Analyzer & Format Validator
Advanced CSV analysis with real-time validation, format guidance, and data quality insights
Drop your CSV file here for instant analysis
or click to browse files
Max file size: 100MB
CSV Format Guide
Advanced CSV Analysis Features
Format Detection
Automatically detect CSV dialect, delimiter, and encoding issues
Real-time Validation
Get instant feedback on data quality and formatting issues
Data Insights
Column statistics, data types, and quality scoring
Format Guidance
Interactive tutorials and examples for proper CSV formatting
Error Recovery
Smart suggestions to fix common formatting and data issues
Secure Processing
All analysis happens locally - your data never leaves your device
Common CSV Issues We Detect
Format Issues
- Inconsistent delimiter usage (commas vs semicolons)
- Missing or malformed header rows
- Unescaped quotes and special characters
- Character encoding problems (UTF-8, ASCII)
Data Quality Issues
- Inconsistent column counts across rows
- Missing values and empty cells
- Mixed data types within columns
- Duplicate rows and inconsistent formatting
Frequently Asked Questions
How does the CSV analyzer work?
Our analyzer uses advanced algorithms to detect CSV format issues, validate data consistency, and provide real-time feedback. All processing happens in your browser - your data never leaves your device.
What file sizes are supported?
We can analyze CSV files up to 100MB in size. For optimal performance on mobile devices, we recommend files under 10MB.
Can I fix the detected issues automatically?
Yes! The analyzer provides interactive suggestions and can automatically fix many common formatting issues like inconsistent delimiters, encoding problems, and malformed quotes.
Is my data secure and private?
Absolutely! All CSV analysis is performed entirely in your browser using client-side JavaScript. Your data never gets uploaded to our servers or transmitted anywhere.