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This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
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The TextEncoder.encode() method takes a string as input, and returns a Uint8Array containing the string encoded using UTF-8.
A string containing the text to encode.
A Uint8Array object containing the UTF-8 encoding of the input string.
| Encoding # ref-for-dom-textencoder-encode① |
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This page was last modified on Jun 28, 2025 by MDN contributors.
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