CSV Formatter
Format, beautify and clean your CSV data
CSV Input
Formatted Output
What is a CSV Formatter?
Ever received a CSV file that's completely disorganized? Inconsistent delimiters, extra spaces, blank lines everywhere – it's a mess. This CSV formatter cleans up your CSV (Comma-Separated Values) data instantly. It standardizes formatting, fixes alignment, and removes problematic characters that cause import errors.
According to RFC 4180, the standard format for CSV files, proper formatting ensures data portability across systems. MDN Web Docs notes that CSV is one of the most common data exchange formats. Our formatter follows these standards, making your CSV files compatible with Excel, databases, and programming libraries.
Everything processes in your browser. No uploads to servers – your data stays private.
Why Format Your CSV
Fix Import Errors
Badly formatted CSV causes import failures in Excel, databases, and analytics tools. Formatting fixes these issues automatically – no more "file corrupted" errors.
Standardize Delimiters
Switch between commas, semicolons, or tabs instantly. Different regions and tools prefer different delimiters. One click converts between formats.
Remove Empty Lines
Blank rows cause problems in data processing. The formatter strips them automatically, giving you clean, ready-to-use data without manual editing.
File Upload Support
Large CSV files? Upload them directly. No need to open in Excel or text editors. Works with files of any size, from small logs to massive datasets.
Instant Processing
Formatting happens in milliseconds. See cleaned output immediately. No waiting, no server delays – just instant results.
Copy or Download
One click to copy formatted CSV, or download it as a file. Ready to import into your database, spreadsheet, or analytics platform.
How to Format CSV
Add Your CSV Data
Paste CSV data into the left editor, or upload a .csv or .txt file. Click "Sample" to see example formatting. The tool handles various CSV formats and encodings.
Automatic Formatting
Your CSV is formatted instantly. Choose your delimiter (comma, semicolon, or tab) and toggle options like removing empty lines. The formatted version appears on the right.
Copy or Download
Click "Copy" to grab the formatted CSV, or "Download" to save it as a file. Import it into Excel, your database, or any tool that reads CSV format.
Common Questions
Will this change my data values?
No. Formatting only affects structure – delimiters, spacing, and empty lines. Your actual data values remain unchanged. The formatted CSV contains exactly the same information.
What if my CSV has quoted fields?
The formatter handles quoted fields correctly, preserving quotes around text that contains commas or special characters. This follows RFC 4180 CSV specifications.
Can I convert between different delimiters?
Yes! Click the delimiter buttons (comma, semicolon, tab) to convert between formats. Useful when sharing data between regions – Europe often uses semicolons, while US uses commas.
How do I import CSV into Excel?
Format your CSV here first, then in Excel go to Data → From Text/CSV. Select your file and Excel will import it. Or check Microsoft's CSV import guide.
Is my data safe?
Absolutely. All processing happens in your browser using JavaScript. Your CSV data never leaves your computer – no server uploads, no storage, completely private.
What about CSV validation?
For validation, use our CSV Validator. It checks structure, column counts, and data types. Formatting makes CSV readable, validation ensures it's correct.
Related CSV Tools
Formatting is just one part of CSV workflow. Here are other tools:
Want to learn more about CSV? Read about CSV media type specifications or explore CSV best practices.