Pick a random number between 1 and 1000 instantly. Pool mode draws every number exactly once — perfect for large raffles, giveaways, and surveys requiring unique picks across a wide range.
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The 1–1000 range gives each integer exactly a 0.1% chance on every generate — ideal when you need a wide spread that rules out guessing. Common uses include large raffle draws (100–1000 tickets), assigning participant IDs in research studies, generating random sample points in data analysis, and running giveaways where ticket numbers run into the hundreds.
Pool mode uses the Fisher-Yates algorithm to shuffle all 1000 numbers into a private queue. Each click draws the next number without replacement, guaranteeing uniqueness across the full draw. The progress bar shows how many remain. When the pool exhausts, it reshuffles automatically — or you can reset at any time. This is the most efficient way to run a large raffle without keeping a manual log.
After 10 generates, the distribution chart groups results into 10 buckets of 100 (1–100, 101–200, …, 901–1000). Over many generates, each bucket should fill at equal rate, providing visual proof that the generator shows no bias toward any portion of the 1–1000 range.