← All tools
UID
UUID Generator
Generate one or more version-4 UUIDs.
About the UUID Generator
This is a free, browser-based text tool on ToolsFlow. Generate one or more version-4 UUIDs. There's nothing to install and nothing to sign up for — open the page, do the task, and you're done.
Frequently Asked Questions
Is the UUID Generator free to use?
Yes. It’s completely free, with no signup, subscription, or usage limits.
Do I need to install anything or create an account?
No. It runs entirely in your web browser — there's no software to install and no account required.
Is my data safe when I use this tool?
Yes. It runs client-side in your browser, so your files and text are processed on your own device and are never uploaded to a server.
Does it work on mobile devices?
Yes. It works on any modern browser, on phone, tablet, or desktop.
What does this tool actually do?
Generate one or more version-4 UUIDs.
Is this the same as a uuid v4 generator?
Yes — different people search for this task under different names. This tool covers it either way, for free.