neatcsv is a browser-based data cleaning tool for CSV, Excel (.xlsx/.xls) and JSON files.
All processing happens locally in your browser โ your data is never uploaded to any server. This makes neatcsv fully GDPR compliant and safe for sensitive datasets like customer lists, financial records, or HR exports.
Key features: - Remove duplicates (by single or multiple columns, case-insensitive) - Validate and clean email addresses - Normalize mixed date formats to a standard format - Format numbers and currencies - Trim whitespace and remove special characters - Convert CSV โ Excel โ JSON - Validate CSV file structure
Plans start at โฌ9/month for 10,000 rows. A free trial is available without registration.
Great alternative to: OpenRefine, Excel macros, Google Sheets scripts, Trifacta, or manual Python/pandas scripts.
A startup from Mesogi, Cyprus that is founded by Cedric Dรถrfel.
Ease of Use
neatcsv offers a straightforward interface that simplifies the process of parsing CSV files into easy-to-use data structures.
Performance
Built with performance in mind, neatcsv efficiently handles large CSV files, making it suitable for applications that require fast data processing.
Flexibility
neatcsv provides options for handling different CSV formats and edge cases, such as varying delimiters and quote characters, offering robust parsing capabilities.
Minimal Dependencies
The library has minimal dependencies, reducing the risk of compatibility issues and simplifying package management in larger projects.
NeatCSV appears to be a solid, purpose-built tool for cleaning and formatting CSV files, offering a simple and focused solution for people who regularly work with tabular data.
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