This content originally appeared on DEV Community and was authored by GigAHerZ
Hey .NET devs! Tired of GUIDs that are impossible to sort or read? Meet ByteAether.Ulid, a blazing-fast library for generating Universally Unique Lexicographically Sortable Identifiers (ULIDs) in your .NET projects.
Why You’ll Love ByteAether.Ulid
- Globally Unique & Sortable: No collisions, even in distributed systems. Lexicographically ordered for time-based sorting.
- Human-Readable: Base32 encoding makes IDs easy to interpret (no more cryptic GUIDs!).
- Error-Free: Gracefully handles edge cases like random-part overflow—no more crashes!
- Lightning-Fast: Outperforms competitors like NetUlid, NUlid, and Cysharp’s Ulid in benchmarks.
Key Features
- Seamless .NET Integration: Works with .NET Standard 2.0 to .NET 9.0, ASP.NET Core routes, and System.Text.Json.
- Versatile Conversions: Convert ULIDs to/from byte arrays, GUIDs, or strings effortlessly.
- Open Source & MIT Licensed: Contribute, report bugs, or suggest features on GitHub!
Quick Start
Install via NuGet:
dotnet add package ByteAether.Ulid
Generate a ULID in seconds:
using ByteAether.Ulid;
var ulid = Ulid.New();
Console.WriteLine(ulid.ToString()); // Output: "01JJSNJ59NFZDV9MZRV3BMBM9W"
Performance Wins
ByteAether.Ulid is the fastest and most compliant ULID library for .NET:
Library | Speed | Compliance | Error Handling |
---|---|---|---|
ByteAether.Ulid | âś… | âś… | âś… |
NetUlid | ⚠️ | ✅ | ⚠️ |
NUlid | ⚠️ | ✅ | ⚠️ |
Cysharp.Ulid | ⚠️ | ❌ | ⚠️ |
Next Steps
Read the full blog post for deep dives into ULID use cases and benchmarks: ByteAether.Ulid v1.0.0 Announcement
Explore the GitHub repo and contribute: GitHub - ByteAether/Ulid
Ready to simplify your .NET projects? Give ByteAether.Ulid a spin and say goodbye to GUID headaches! 🌟
(P.S. Stay tuned for upcoming posts on optimizing databases and distributed systems with ULIDs!)
This content originally appeared on DEV Community and was authored by GigAHerZ

GigAHerZ | Sciencx (2025-01-29T18:36:40+00:00) 🚀 Introducing ByteAether.Ulid: A High-Performance .NET Library for ULIDs. Retrieved from https://www.scien.cx/2025/01/29/%f0%9f%9a%80-introducing-byteaether-ulid-a-high-performance-net-library-for-ulids/
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