lyconiq 

Extension methods for everyday .NET types: validation, conversion and manipulation helpers for arrays, booleans, strings, dates, enums, GUIDs, objects, types and more.

FluentValidation rules for HeroKit: Turkish identity and tax numbers, IBAN, Turkish phone numbers, postal codes, vehicle plates, card numbers and safe file uploads.

Dependency-free file type detection for .NET: magic bytes for about 70 formats (Office and OpenDocument inside ZIP, HEIC/AVIF/MP4 brands, WebP, JPEG XL), extension and MIME mapping, content vs. extension checks... More information

ASP.NET Core integration for HeroKit.FileTypes: safe upload checks for IFormFile, an [AllowedFileTypes] attribute for MVC and Razor Pages models, and a ValidateUploads() endpoint filter for minimal APIs that... More information