How to Head / Tail
- 1Choose a supported file or use sample data when available.
- 2Set the options shown for this workflow.
- 3Process the file locally, inspect the result, and download a new copy.
Edit & Clean · browser workspace
Extract the first or last N rows from your CSV. Process locally in your browser with HappyCSV.
Quick start
Everything runs in your browser, so you can test the workflow with sample data when available before using production files.
Output: A new file or report produced locally in your browser.
A new file or report produced locally in your browser.
Up to 100 MB per CSV, 20 MB per complex document; 250,000 rows, 1,000 columns, 2 million cells, and 128 MB output. Jobs stop after two minutes. Large files may need splitting.
No. File processing stays in your browser. Files are not automatically saved for the next visit.
This tool processes one file at a time.
What is the maximum size for a CSV file? Learn the limits of Excel, Google Sheets, and databases, and how to handle files that are too big.
Choose the right way to inspect, import, edit, or query a CSV while protecting leading zeros, dates, encoding, and the original file.