CSV Head Extractor

Extract the first N rows (head) from a CSV or TSV dataset with preserved header.

How It Works & Processing Standards

Extract the first N rows (head) from a CSV or TSV dataset with preserved header.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 50MB
  • Mobile max file size: 20MB

CSV Head Extractor is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use CSV Head Extractor

  1. 1
    Paste CSVEnter CSV table content.
  2. 2
    Specify CountEnter the number of top rows to extract (e.g. 10, 50, 100).
  3. 3
    Export HeadCopy or download the trimmed preview dataset.

Examples

Extract First 2 Rows
Input: id,item 101,Pen 102,Notebook 103,Binder 104,Stapler
Result: id,item 101,Pen 102,Notebook

Common Use Cases

  • Extracting a fast preview snippet from massive multi-gigabyte CSV exports
  • Creating sample files for documentation and API test mocks
  • Inspecting table schemas without parsing entire datasets

Frequently Asked Questions (FAQ)

Does the row count include the header row?

No, the count specifies data records; the header row is always automatically preserved.

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