Free online tools
Random Number Generator
Generate random integers or decimals with count and duplicate controls.
Use the tool
Runs instantly in your browser. No upload needed.
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Open in Korean
Korean version
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Open in Japanese
Japanese version
Frequently asked questions
Does this tool send my input to AsKrs?
Most tool pages run directly in the browser and are designed for quick local work.
What should I check before copying or downloading the result?
Review the preview, file name, format, size, and any warning message first.
What should I verify before I paste the Random Number Generator output into another system?
Readable output is not the same as correct output.
Does readable output from Random Number Generator mean the data is correct?
Previewing or copying from the result card reduces manual transcription mistakes when the value should be reused exactly.