Random version 4 UUIDs
Each ID is generated with your browser's built-in secure UUID function.
Generate unique IDs (UUID v4) for databases and code instantly — free, instant, no signup.
UUID Generator for Database is a free online tool that lets you generate unique IDs (UUID v4) for databases and code instantly — free, instant, no signup. Enter your text or numbers and see the result instantly. Everything you type stays in your browser.
Also searched as: GUID generator, random UUID, UUID v4 generator, unique ID generator.
Open UUID Generator and enter the details it needs (text, a link, or a length/setting).
Click "Generate" to create your result on the spot.
Download or copy the result — it's ready to use immediately.
UUID Generator for Database
Get a random version 4 UUID instantly, ready to paste into a database, a test file or your code.
Each ID is generated with your browser's built-in secure UUID function.
Press Generate and a new ID appears. Press again for another one.
IDs come in the standard 36-character form that databases and programming languages expect.
Nothing is requested from a server, so nothing is logged on ours.
Use it on a computer, tablet or phone, whenever you need an ID.
No account and no limit on how many IDs you make.
A UUID is good for naming rows, files and records. It is not a password and should not protect anything on its own.
Make a new ID for each fake record so your tests do not collide.
Most systems expect the standard form with hyphens, so copy the ID exactly as shown.
Short, practical guides that go with this tool.
UUID Generator runs as client-side JavaScript inside your own browser tab. Your file or text is read, processed, and turned into a result on your device — it is never sent to, stored on, or seen by Toolkitties' servers. Closing or refreshing the page clears everything.
A UUID is a 128-bit identifier written as 36 characters, such as five groups of letters and numbers separated by hyphens. It is used to give things a unique name.
Version 4 UUIDs are random, and the chance of two being the same is so small that they are treated as unique in practice.
Version 4, which is based on random numbers.
Yes. GUID is the name used in Microsoft software for the same kind of identifier.
The tool makes one UUID each time you press Generate. Press it again for more.
No. UUIDs identify things and are not meant to be secret. Use the Password Generator for passwords.
Yes. UUID Generator is 100% free, with no signup, no daily limit and no paid plans.
No signup or login is required. Open the page and start using UUID Generator immediately.
Yes. UUID Generator processes your file locally in your browser using client-side code. The file itself is never uploaded to Toolkitties' servers.