A compact Blazor WebAssembly app with practical developer utilities for text, JSON, SQL, GUIDs, timestamps, JWTs, table data, and timezone conversion.

• Line Break Toolkit: Convert pasted lines into CSV, quoted lists, and SQL helper snippets.
• SQL Formatter: In-place SQL formatting with clause breaks and indentation options.
• Tabular Data Formatter: Convert between CSV, JSON, SQL, and Markdown tables.
• String Workbench: JSON/SQL formatting, casing transforms, encoding/decoding, and line operations.
• JSON Refiner: Validate, format/minify, sort, and prune JSON fields.
• JSON to Code: Generate C# and TypeScript models from JSON payloads.
• Diff Viewer: Monaco-based side-by-side comparison with fullscreen support.
• GUID Helpers: New GUID + GUID <-> Long/Int conversions.
• Unix Timestamp Converter: Timestamp/date round-trip (seconds and milliseconds).
• Time Zone Converter: Convert date-time across source and target zones.
• JWT Decoder: Decode and inspect JWT tokens locally.

• .NET 10 (net10.0)
• Blazor WebAssembly
• Tailwind CSS (local bundle)
• BlazorMonaco (diff editor)
• Newtonsoft.Json

• .NET SDK 10.0+

dotnet restore DevTools.sln
dotnet build DevTools.sln
dotnet run --project DevTools/DevTools.csproj

Then open the local URL printed by dotnet run.

DevTools.sln
DevTools/
  Pages/               # Tool pages
  Shared/              # Layout/navigation
  wwwroot/             # Static assets and JS helpers
  Program.cs           # Blazor WASM bootstrap

Contributions are welcome.

1. Fork the repository
2. Create a branch
3. Make your changes
4. Run build locally
5. Open a pull request

Most processing is done client-side in the browser. Validate any sensitive workflow before sharing production data.