The following table lists the [ai.onnx.ml](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md) operators supported by each of the available backends.

See [Compatibility](../README.md#Compatibility) for a list of the supported platforms.

|                                                        Operator                                                         | Cpu Backend | Wasm Backend | WebGl Backend |
| :---------------------------------------------------------------------------------------------------------------------: | :---------: | :----------: | :-----------: |
| [ArrayFeatureExtractor](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#ai.onnx.ml.ArrayFeatureExtractor) |             |              |               |
|             [Binarizer](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#ai.onnx.ml.Binarizer)             |             |              |               |
|                [CastMap](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlcastmap)                 |             |              |               |
|         [CategoryMapper](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlcategorymapper)          |             |              |               |
|         [DictVectorizer](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmldictvectorizer)          |             |              |               |
|      [FeatureVectorizer](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlfeaturevectorizer)       |             |              |               |
|                [Imputer](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlimputer)                 |             |              |               |
|           [LabelEncoder](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmllabelencoder)            |             |              |               |
|       [LinearClassifier](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmllinearclassifier)        |             |              |               |
|        [LinearRegressor](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmllinearregressor)         |             |              |               |
|             [Normalizer](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlnormalizer)              |             |              |               |
|          [OneHotEncoder](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlonehotencoder)           |             |              |               |
|          [SVMClassifier](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlsvmclassifier)           |             |              |               |
|           [SVMRegressor](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlsvmregressor)            |             |              |               |
|                 [Scaler](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlscaler)                  |             |              |               |
| [TreeEnsembleClassifier](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmltreeensembleclassifier)  |             |              |               |
|  [TreeEnsembleRegressor](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmltreeensembleregressor)   |             |              |               |
|                 [ZipMap](https://github.com/onnx/onnx/blob/master/docs/Operators-ml.md#aionnxmlzipmap)                  |             |              |               |