Browser utility · No upload
UUID Generator
Generate UUID v4 and time-ordered UUID v7 identifiers — free, private, and instant.
Runs locally in your browser — your input is never uploaded or stored.
About this tool
UUID Generator lets you generate UUID v4 and time-ordered UUID v7 identifiers without installing an app or creating an account. Create one or up to 100 identifiers at once using your browser's secure random generator.
Produce unique keys for database rows, API requests, test fixtures, or file names, and generate them in bulk when you need to seed data.
How it works
- Enter or choose your values
- Review the instant result
- Copy or download the result
Frequently asked questions
How do I use UUID Generator?
Enter or choose your input in the tool above. The result updates immediately or appears when you select the action, ready to copy or download.
Should I use UUID v4 or v7?
Use v4 for pure random identifiers; use v7 when you want IDs that sort by creation time, which improves database index locality.
Is UUID Generator free, and is my data private?
Yes. UUID Generator is free with no account or watermark, and it runs entirely in your browser so your input is never uploaded, stored, or shared.
Does it work on phones and tablets?
Yes. It works in current browsers on Android, iPhone, iPad, Windows, macOS, and Linux.