UUID Generator

Generate UUID v1, v4, and v7 with bulk generation, format options, and export capabilities.

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UUID Breakdown

Version4
VariantRFC 4122

Bulk Generation

How It Works

1

Choose a version

Select UUID v4 (random), v1 (timestamp-based), or v7 (sortable timestamp) based on your needs.

2

Generate one or many

Generate a single UUID or use bulk mode for up to 1,000 at once.

3

Format and export

Toggle uppercase/lowercase and hyphens. Copy individual UUIDs or export bulk results as TXT or CSV.

FAQ

v4 (random) for most cases. v7 if you need time-sortable IDs (great for database primary keys). v1 if you need timestamp extraction.
Yes. v4 UUIDs use crypto.randomUUID() or crypto.getRandomValues(), which are cryptographically secure.
Theoretically yes, but the probability is astronomically low — about 1 in 2^122. You'd need to generate billions per second for centuries.

Varstatt Toolkit

Each tool works standalone, runs entirely in your browser, and requires no signup.

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Built & Maintained by Varstatt

Varstatt is a one-person product studio run by Jurij Tokarski, product engineer since 2011. These tools are free and open — no signup, no catch.