Last updated: April 13, 2026
UUID Generator for C# / .NET Developers
Quick Answer
DevToolHQ's uuid generator works great alongside C# / .NET. Use it to quickly uuid generator during development, then integrate the pattern into your C# / .NET codebase using the code example below.
Use Cases in C# / .NET
- 1.Generate unique primary keys for database records
- 2.Create idempotency keys for API requests
- 3.Assign unique request IDs for distributed tracing
- 4.Generate unique filenames for uploads
C# / .NET Code Example
using System;
// Generate UUID v4
var id = Guid.NewGuid();
Console.WriteLine(id.ToString()); // lowercase hyphenated
Console.WriteLine(id.ToString("N")); // no hyphens
Console.WriteLine(id.ToString("B")); // {curly braces}
// Parse and validate
if (Guid.TryParse("550e8400-e29b-41d4-a716-446655440000", out var guid)) {
Console.WriteLine($"Valid: {guid}");
} else {
Console.WriteLine("Invalid GUID");
}
// Use as Entity Id
record UserId(Guid Value) {
public static UserId New() => new(Guid.NewGuid());
}Try the tool directly
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Frequently Asked Questions
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