CSV Tools
CSV Row Randomizer / Shuffle
Randomly shuffle CSV rows with a reproducible seed.
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What is Shuffle Rows?
A row shuffler with a seeded, deterministic PRNG so shuffles are reproducible for tests and audits.
How it works
Rows are Fisher-Yates shuffled with a mulberry32 PRNG seeded by your number; the header row stays first.
- 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.