PrismKitJSONJSON 轉 ProtobufJSON 轉 Protobuf在瀏覽器中執行本機複製連結Markdown由 JSON 範例產生 proto3 message 定義，含 repeated 欄位、依資料選擇 int32 或 int64，以及 json_name 選項。JSON 轉 PHP 類別Generate PHP 8 classes with typed, readonly constructor-promoted properties and a fromArray factory from a JSON sample.ObjGenWrite JSON or HTML in a short indentation-based shorthand and get the full output.