UUID / GUID Generator
Generate cryptographically strong UUID v4 strings for database keys, APIs, and microservice tracking. Copy single or bulk identifiers with custom casing and hyphens.
UUID / GUID Generator Workspace
This client-side utility is staged and ready for local processing. Files and inputs are processed exclusively on your device without server transmission.
Drag & drop input here or click to select
Supports standard formats • 100% private in-browser memory
Browser Client (Wasm / Web API)
Zero remote server calls
Uncapped (Hardware RAM)
No artificial 5MB limits
0 ms (Discarded on Exit)
Never written to any database
How to use UUID / GUID Generator
Select quantity
Choose how many UUIDs you need generated.
Configure formatting
Toggle hyphens or uppercase formatting.
Copy or export
Copy all identifiers with one click or download as text.
Built for speed, accuracy, and complete privacy
Common questions about UUID / GUID Generator
Virtually zero. With 122 random bits, the probability of generating a duplicate UUID is roughly 1 in a billion billion, making them universally safe for database IDs.