UUID v4 generator
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Generate UUIDs online
Create random UUID v4 values for tests, mock data, database records and development tasks.
You can generate up to 100 identifiers at once and copy the whole list in one action.
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The tool runs directly in the browser and is ready for quick checks without installing software.
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Input can be cleared and recalculated immediately, which is useful for repeated small tasks.
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Use fullscreen mode when you need more space for long text, structured data or large result blocks.
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Copy buttons are available on generated output so results can be reused in code, documents or support chats.
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Most operations are deterministic: the same input and options produce the same output.
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For sensitive content, prefer local browser tools and review the result before sharing it further.
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