Online UUID Generator – Create Unique Identifiers Instantly
Generate UUIDs (Universally Unique Identifiers) for your development needs
v1 Timestamp-based: Generated using timestamp and MAC address for guaranteed uniqueness.
v3 MD5 Hash: Generated using MD5 hash of a namespace and name.
v4 Random: Generated using random or pseudo-random numbers. Most common version.
v5 SHA-1 Hash: Generated using SHA-1 hash of a namespace and name (preferred over v3).
Free and Instant UUID Generator Tool 2025
In seconds, you can create unique, standard-compliant UUIDs (v4) for free, without having to log in or use a browser.
Do you need a unique identification for databases, APIs, apps, or testing that works for everyone?
Our UUID Generator Tool makes UUIDs that follow RFC 4122 right away, which is great for developers, testers, and engineers.
✅ Make one or more UUIDs
✅ Copy with just one click
✅ No need to sign up or see advertising
✅ Works on mobile and offline
[Make UUIDs Now]
What Is a UUID Generator Tool?
- Don’t let IDs collide in distributed systems
- Test data with no duplicates
- Make session IDs or tokens that are safe
- Follow the rules (RFC 4122, UUID v4)
- Save time instead of writing your own generator
🔗 Use our Password Generator to make secure tokens or the Base64 Converter to encode your UUIDs.
How It Works (Three Steps)
- Click “Make UUID”
- Get a random UUID, like
f47ac10b-58cc-4372-a567-0e02b2c3d479 - Please copy and paste it into your code, config, or database
✅ You don’t need an internet connection after loading it
✅ It doesn’t keep or track any data
✅ 100% client-side (your UUIDs never leave your device)
Important Features
- No hidden fees or trials, 100% free
- No registration
- Right away
- RFC 4122 Compliant – UUID v4 for the industry as a whole
- Bulk Generation – Make more than one UUID at a time
- Copy with one click – and paste right into code
- Safe and private – No server transmission
Questions and Answers
Q: Is this tool for making UUIDs really free?
A: Yes, it’s completely free, you don’t have to log in, and you can use it as much as you like.
Q: Which version of UUID does it use?
A: Version 4 (random, 122-bit entropy)—the most common way to make anything unique.
Q: Is my information safe?
A: Yes. Nothing is transferred to our servers; everything happens in your browser.
Q: Is it okay to utilise it for production systems?
A: Yes, it’s great for prototypes, testing, and production when cryptographically safe randomisation is all that’s needed.
Try the greatest UUID Generator Tool of 2025. It’s quick, confidential, and ready for developers.
[Make My UUID Now]
🔗 Reference: For official UUID standards, see RFC 4122 – A Universally Unique IDentifier (UUID) URN Namespace .