Developer tools for the .NET ecosystem
SQL to LINQ, JSON to C#, .NET regex, Quartz cron — plus every converter you already reach for. Nothing is uploaded unless a tool genuinely needs a compiler.
- 23 tools, all built
- 22 run entirely in your browser
- No account, no tracking, no upload
A looping demo of fsdotnet tools converting example input.
.NET & Data
The tools no other toolbox has.7- JSON → C# / TS
Records, classes or TypeScript interfaces.
- SQL → LINQ
SELECT to query or method syntax.
- IN (…) Builder
Build IN (…) lists, chunked past 1000.
- Oracle Error Codes
ORA-xxxxx codes with their real cause.
- Bind Parameters
Fill :binds with values to run the query.
- SQL Diff
Compare two queries, differences highlighted.
- HTTP Status Codes
Codes, headers and .NET constants.
Converters
Move data between formats without losing your mind.8- Base64
Encode and decode, URL-safe included.
- Mojibake Fixer
Repair text broken by wrong encodings.
- RTF → Text
Strip RTF markup, code page decoded correctly.
- Unicode Inspector
Code points, invisible characters, NFC/NFD.
- Case Converter
camelCase, snake_case, PascalCase and back.
- CSV → JSON / SQL
Table to JSON array or INSERT rows.
- XML ⇄ JSON
Both ways, attributes and CDATA preserved.
- Epoch Converter
Unix seconds, millis and .NET ticks.