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NEXVAANI
Developer Utilities
4.9 / 5.0 (1950 reviews)
Privacy-Focused • Free

UUID / GUID Generator

The NexVaani UUID / GUID Generator creates cryptographically secure, standard RFC 4122 Version 4 UUIDs for software engineers and database architects. Generate single UUIDs or batches of up to 500 identifiers with uppercase/lowercase and hyphen options.

Quick Summary

The NexVaani UUID Generator produces standard RFC 4122 version 4 universally unique identifiers using the browser-native crypto.randomUUID() API.

1,420+ used today
Instant Local Execution
0 Files Uploaded
100% Client-Side Private
Generated UUID v4 List:

Smart 1-Click Workflow Chains (Next Steps):

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Tool Actions & Instant Exports:
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Real-World Use Cases & Applications

  • Generating unique primary keys for PostgreSQL, MySQL, and MongoDB databases.
  • Creating distributed tracing IDs (traceparent, request-id) for microservices.
  • Generating unique mock IDs for unit tests and seed database fixtures.

NexVaani Tool Transparency

Technical breakdown of processing location, network behavior, and data retention

Client-Side Execution
Processing Location
Local Web Browser

Supported tools execute locally in your web browser using client-side technologies.

Input Upload Status
Tool input sent to NexVaani for processing: No

Calculations and text transformations are performed locally in your browser.

Data Retention
Tool Data Retention: None

Temporary processing data is handled locally by your browser and is not stored by NexVaani.

Watermarks
No Watermarks Added

No watermark, stamp, or branding is added to the exported file. Output quality depends on your source file and selected settings.

Generates Version 4 (random) UUIDs. Version 1 (time-based) and Version 5 (namespace SHA-1) are not generated by this tool.

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Current Community Rating: 4.9 / 5.0 (1,950 verified reviews)

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Frequently Asked Questions

What is the difference between a UUID and a GUID?▼

UUID (Universally Unique Identifier) and GUID (Globally Unique Identifier) are terms for the same 128-bit identifier standard defined in RFC 4122.

Can two generated UUIDs ever collide?▼

The chance of a collision with UUID v4 is practically zero (~1 in 2^122).

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