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CSV Sampler

Extract random or first N rows from CSV

Files stay on this deviceRuns entirely in your browserFree — no signup

Drop your file here or browse from your device

Accepts CSV, TSV, TXT. Maximum input: 10 MiB. Files above this hard limit are rejected before local processing.

How to Use

  1. Upload your CSV
  2. Choose sample size or method
  3. Download sampled CSV

Features

  • First N rows
  • Random sample
  • Percentage sample
  • Stratified sampling

Use Cases

  • Create test datasets
  • Preview large files
  • Statistical sampling

Frequently Asked Questions

Is CSV Sampler free to use?

Yes. It is free to use with no signup or watermark.

Is my data private when using CSV Sampler?

Absolutely. All processing happens in your browser. Your data never leaves your device.

How are sample rows selected?

Rows are selected randomly using uniform sampling. You can specify the number of rows or a percentage.

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