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The TextDecoderStream interface of the Encoding API converts a stream of text in a binary encoding, such as UTF-8 etc., to a stream of strings. It is the streaming equivalent of TextDecoder. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
Creates a new TextDecoderStream object.
An encoding.
TextDecoderStream.fatal Read onlyA boolean indicating if the error mode is fatal.
TextDecoderStream.ignoreBOM Read onlyA boolean indicating whether the byte order mark is ignored.
TextDecoderStream.readable Read onlyReturns the ReadableStream instance controlled by this object.
TextDecoderStream.writable Read onlyReturns the WritableStream instance controlled by this object.
Examples of streaming structured data and HTML
| Encoding # interface-textdecoderstream |
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This page was last modified on Nov 26, 2025 by MDN contributors.
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