CSV Row Sampler (Random, Head, Tail)

CSV Row Sampler (Random, Head, Tail)

Local Processing

Take N random rows, or the first or last N rows, from a CSV.

How It Works & Processing Standards

Take N random rows, or the first or last N rows, from a CSV.

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Current Limits

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

Choose random sample, first N or last N under "Task". Useful for reviewing part of a large file or making a small test file.

What You Can Do

Random sample
N rows chosen at random, with no repeats.
First or last N
Keeps only the first or last N rows.

How to Use CSV Row Sampler (Random, Head, Tail)

  1. 1
    Choose a taskPick how to select rows.
  2. 2
    Set the countHow many rows.
  3. 3
    Get the resultCopy the CSV or download Excel.

Examples

First 2 rows
Input: 이름,부서,점수 민수,영업,82 지영,개발,95 철수,영업,77 영희,개발,88 2 rows
Result: 이름,부서,점수 민수,영업,82 지영,개발,95
Random sample
Input: A CSV with 1,000 rows, 10 rows
Result: Header + 10 random rows (different every time)

Common Use Cases

  • Reviewing part of a large CSV
  • Making a small test file

Frequently Asked Questions (FAQ)

Can a random sample repeat a row?

No. Each row can be drawn only once, and the drawn rows come out in random order.

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