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The TextEncoderStream interface of the Encoding API converts a stream of strings into bytes in the UTF-8 encoding. It is the streaming equivalent of TextEncoder. It implements the same shape as a TransformStream, allowing it to be used in ReadableStream.pipeThrough() and similar methods.
Creates a new TextEncoderStream object.
Always returns "utf-8".
TextEncoderStream.readable Read onlyReturns the ReadableStream instance controlled by this object.
TextEncoderStream.writable Read onlyReturns the WritableStream instance controlled by this object.
Examples of streaming structured data and HTML
| Encoding # interface-textencoderstream |
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This page was last modified on Nov 26, 2025 by MDN contributors.
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