Random Number Generator
Generate random integers within a chosen range using your browser's cryptographic random source.
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Frequently asked questions
They come from your browser's crypto.getRandomValues, which is the cryptographic-quality random source modern browsers expose. That is significantly stronger than Math.random and is appropriate for non-security use such as picking winners, shuffling lists, or generating sample data.
For generic security needs use a dedicated tool — password generators with character-class controls, or your platform's key APIs. This tool returns plain integers in a range. It is not intended as a key or token generator.
The calculator swaps min and max if they are in the wrong order, and it clamps the count to the inclusive range 1 through 100. The result panel shows the resolved range and count that were actually used.
Last updated 2026-06-03.