UUID Generator Online
Fast and secure UUID generator online. Create cryptographically strong GUIDs for your projects instantly.
Privacy & Trust First
"A UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems. Standardized by RFC 4122, the probability of a duplicate UUID being generated is so widely improbable that it can be considered impossible for all practical purposes, making them ideal for database keys in distributed systems."
UUID Generator
Generate standards-compliant UUIDs (Universally Unique Identifiers) instantly. Axonix provides a fast, free, and secure v4 UUID generator for developers, databasing, and testing.
Blazing fast
No server round-trips. No loading bars. Just instant results.
Locked-down privacy
Your data stays in your browser. Period.
Zero friction
Open the page and go. No accounts, no upsells, no clutter.
Built for people who value their time
The 30-second rundown
Drop it in
Paste text, upload a file, or enter your values.
Tweak if needed
Adjust a setting or two — most defaults just work.
Grab the result
Copy, download, or share. Done in seconds.
How This Works
Below is everything you need to get from zero to done. No fluff, just the steps and features that matter.
- 1Choose the number of UUIDs you want to generate (up to 100 per batch).
- 2Click the 'Generate Batch' button to create new unique identifiers.
- 3Each UUID is generated using cryptographically secure random numbers (v4).
- 4Click the copy icon next to any single UUID to save it.
- 5Use the 'Copy All' button to save the entire list to your clipboard at once.
- Standards Compliant: Generates valid RFC 4122 Version 4 UUIDs.
- Batch Generation: Create up to 100 identifiers in a single click.
- Crypto-Secure: Uses the `crypto.randomUUID()` API for true randomness.
- GUID Compatible: Fully compatible with Microsoft GUID formats.
- Zero Latency: Runs instantly in your browser with no server round-trips.
Real Ways People Use This
Database Primary Keys
Use UUIDs as primary keys in your SQL or NoSQL databases to avoid collision issues when merging data from different servers.
Session Tokens
Generate unique, non-guessable session IDs for tracking user logins or shopping carts in your web application.
Software Licensing
Create unique license keys or serial numbers for your software distribution to track individual installs.
Testing & Mocks
Generate a batch of 100 UUIDs to populate your mock data or seed your testing environment.
Making the Most of It
Good times to reach for this: Reach for UUID Generator when you're verifying tokens, checking hashes, or handling anything sensitive. Your data stays on your machine — no risky pasting into random servers.
Typical flow:
- Toss your content into the input — text, file, or whatever you're working with.
- Dial in the settings that match what you actually need.
- Glance over the output to confirm it looks right.
- Grab your result: copy, download, or send it along.
Easy traps to avoid:
- Feeding in sloppy input and assuming the tool will magically sort out every edge case — always eyeball the output first.
- Testing with toy data that looks nothing like your real workload, then getting caught off-guard in production.
- Copy-pasting straight into a live project without a ten-second sanity check. That tiny pause saves hours of cleanup.
Your data stays yours: Your files never touch our servers for standard processing. They stay on your device from start to finish.
Questions That Usually Come Up
Dig Deeper
Want walkthroughs, deep-dives, and edge-case tips? The blog has you covered with practical tutorials written by people who actually use these tools.