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FREE TOOL - RANDOM UUIDS - NO UPLOAD

UUID
GENERATOR

Generate cryptographically random UUID v4 identifiers for database rows, API keys, fixtures, request IDs, and test data. Create one or bulk export many at once.

Generate UUIDs - Free All 114 Tools
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UUID v4
Generate standards-style random UUID v4 values.
Crypto Random
Uses crypto.getRandomValues when available.
Bulk Output
Create 1 to 1,000 identifiers at once.
Export Formats
Copy as plain text, JSON array, CSV, or SQL values.
Click To Copy
Copy single or bulk UUIDs instantly.
Private
Everything runs locally in your browser.
The Tool

GENERATE UUIDS

Create one identifier or a full batch for fixtures, imports, and tests.

uuid.php - readyLIVE

Single UUID

Generating...

Bulk Generator

Ready.
Process

HOW IT WORKS

Random bytes become versioned identifiers.

01
Generate random bytes
The browser crypto API supplies strong random values.
02
Set UUID v4 bits
Version and variant bits are applied to the byte sequence.
03
Copy or export
Use the generated identifiers in your app or database.
FAQ

COMMON QUESTIONS

It creates UUID v4 values, which are random identifiers.

They are not mathematically guaranteed, but collisions are astronomically unlikely for normal use.

No. UUIDs are generated locally in your browser.

Yes. Bulk mode supports up to 1,000 per click.

GUID is Microsoft terminology for the same general identifier format.

Yes. UUIDs are commonly used as database primary keys and external identifiers.
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