UUID Generator
Create identifiers in different UUID versions or ULID format for use in databases or distributed systems. Bulk generation speeds up testing and demo setups.
UUID Generator
Generate cryptographically secure UUIDs and unique identifiers. Supports v4, v7, v1, ULID, Nil, and Max: with bulk generation and instant copy.
Type / Standard
Format
Count
5 5 IDs · UUID v4
Stats
Multiple Standards
Generate UUID v4 (random), v7 (time-ordered), v1 (time-based), ULID, Nil, and Max identifiers from a single tool.
Bulk Generation
Generate up to 100 unique IDs at once and download them as a plain text file or copy the entire batch to clipboard.
Crypto-Safe & Local
v4 and v7 use the browser's crypto.randomUUID() and getRandomValues() APIs. No IDs are ever sent to a server.
How to Generate UUIDs
Pick a Version
Choose from UUID v4 (random), v7 (time-ordered random), v1 (time-based), ULID, Nil, or Max.
Set Format & Count
Select your preferred output format (lowercase, UPPERCASE, {BRACES}, or no-hyphens) and how many IDs you need.
Generate
Click Generate or press the refresh button on any individual ID to regenerate it. Results appear instantly.
Copy or Download
Copy a single ID, copy the whole batch, or download all IDs as a .txt file: ready for your database or code.
Who Needs UUID Generation?
Backend Developers
Generate primary keys for database rows, event IDs, and idempotency keys without a database round-trip.
Frontend Developers
Produce stable keys for React lists, drag-and-drop items, and locally-created records before they reach the API.
Data Engineers
Use UUID v7 or ULID for time-sortable IDs that are compatible with both chronological ordering and distributed systems.
QA Engineers
Generate unique test fixture IDs, session tokens, and correlation IDs for structured test suites.
DevOps & SREs
Create idempotency tokens for infrastructure provisioning scripts, Terraform resources, and deployment pipelines.
Game Developers
Assign UUIDs to game entities, save files, lobby sessions, and match IDs without a central ID service.
Endless Forge vs Other UUID Tools
Multiple standards, bulk export, and crypto-safe: runs entirely in your browser.
Every ID standard in one place
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Frequently Asked Questions
6 questions answered