Calculator
What the JSON to C# does
JSON to C#: converts Status and C# from JSON and Root class name. Example: root class name Root gives status 3 classes generated.
Enter JSON and Root class name and the JSON to C# reports Status and C#. The result recalculates on every keystroke without a button press or a page reload.
It is mostly used by developers debugging a payload. Spotting a malformed field is far quicker when the structure is laid out clearly.
There is no account, no upload and no server round trip, because the page does the work itself.
The meaning of each field, the formula in use, and a worked example that starts from the default inputs are all further down.
What do the JSON to C# fields mean?
The JSON to C# uses 2 inputs. The defaults are there to be replaced. They exist so the tool is never showing an empty result.
| Field | What to enter | Default |
|---|---|---|
| JSON | paste or type any amount of text | { "id": 42, "name": "Ada", "is_active": true, "score": 9.5, "tags": ["admin", "dev"], "address": { "city": "London", "zip": "N1" }, "orders": [ { "id": 1, "total": 19.99 }, { "id": 2, "total": 5, "note": "gift" } ] } |
| Root class name | required | Root |
How does the JSON to C# work?
Each output is derived from the inputs above in a single pass; there is no hidden state carried between runs, so the same inputs always give the same conversion.
Nothing is computed until the inputs pass their checks, so you will not get a confident answer built on a typo.
Worked example
These are the values the JSON to C# loads by default, and the result it produces from them. These are the tool’s own default values and the result they produce, not an invented illustration.
| JSON | { "id": 42, "name": "Ada", "is_active": true, "sc… |
|---|---|
| Root class name | Root |
| Status | 3 classes generated |
|---|---|
| C# | #nullable enable using System.Collections.Generic; using System.Text.Json.Serialization; public class Root {… |
How to use it
- Paste your content into JSON.
- Set Root class name.
- Because it recalculates as you type, you can dial a value in rather than guessing and re-running.
- You get Status and C# back.
- Both Copy Link and Print capture the current state, so pick whichever suits how you file things.
What this tool does not do
- Output follows the common convention for this format; a specific toolchain may have its own house style.
- Processing happens in your browser, so very large inputs are bounded by available memory.
- There is no audit trail: if you need one, record the inputs alongside the output.
Frequently asked questions
Just JSON and Root class name. A starting value is in place for each, meaning you can explore the calculation before committing to real figures.
With the values loaded when the page opens, status comes out as 3 classes generated. It recalculates the moment an input changes, which makes comparing scenarios quick.
Nothing is logged. The tool is client-side code; your data stays where you entered it.
It costs nothing, and there is no limit on repeat use.
The output is deterministic. The same inputs always give the same answer, and the method is documented above so you can check it.