CSV Tools
CSV Sampler
Extract a random sample of N rows from a CSV.
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What is Sample?
A random row sampler: specify how many rows you want, optionally with a seed, and get a subset back with headers intact.
How it works
Rows are shuffled with a seeded PRNG and the first N are returned, so the sample is reproducible for a given seed.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.