Security3 options compared

UUID Generator

Generates UUIDs in bulk for various versions (v1, v3, v4, v5) with both single and multi-UUID output options for seeding test data or assigning identifiers. Researchers, developers, and testers often need unique identifiers for their projects. This tool simplifies the process by providing a variety of UUID versions and bulk generation capabilities, making it easier to assign IDs without manual...

developer-toolsbrowser-basedprivacy-focusedit-toolsdevbolt
Editors’ Top PickBased on community votes
Other OptionsRanked by votes
  1. Screenshot of IT Tools
    02
    IT Tools
    it-tools.tech

    Generates v1, v3, v4, and v5 UUIDs in bulk, with both single and multi-UUID output for seeding test data or assigning...

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Side by side

UUID Generator options compared

ToolBest forStrengthsLimitations
DevBolt
devbolt.dev
Bulk UUID v4 generation
  • Bulk output up to 500 UUIDs
  • Browser-based privacy, data stays on device
  • Only UUID v4 supported
  • No version selection
IT Tools
it-tools.tech
Multiple UUID versions in bulk
  • Supports v1, v3, v4, and v5
  • Both single and multi-UUID output
  • Live page excerpt not available
X10Tools
x10tools.com
Simple single UUID v4 generation
  • Instant results
  • No account required
  • Works in browser
  • Only UUID v4
  • Advertisements on the page

Buyer's guide

How to choose a uuid generator

When you need a specific UUID version for compatibility or standards, IT Tools is the only option among these three that generates v1, v3, v4, and v5. If you only need random v4 IDs and want to avoid data leaving your browser, DevBolt processes everything locally and supports bulk output up to 500 at once. X10Tools is suitable for quick single UUID generation but includes ads on the page and offers only v4.

Questions

UUID Generator FAQ

Can I generate UUIDs in bulk without the data leaving my browser?
Yes, DevBolt generates UUIDs entirely in your browser using the native crypto API, so your data never leaves your device.
Which tool supports the widest range of UUID versions?
IT Tools supports v1, v3, v4, and v5 UUIDs, making it the most versatile option for different standards or compatibility needs.
Is there a limit on how many UUIDs I can generate at once?
DevBolt allows bulk generation of up to 500 UUIDs at once, while the other tools do not specify a maximum batch size.
Do I need to create an account to use these UUID generators?
No, all three tools work instantly in your browser without requiring an account.
What is the main difference between UUID v4 and v7?
UUID v4 is fully random, which can cause index fragmentation in databases, while UUID v7 embeds a Unix timestamp making IDs time-sortable and more index-friendly for database primary keys.
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