Web platform features explorer

Readable byte streams

A ReadableStream constructed with { type: "bytes" } reads bytes from a stream without making extra copies, improving efficiency for streams of large chunks. Also known as BYOB or bring your own buffer.

Status

Limited availability

MDN documentation

Specifications

Browser support (view on caniuse.com)

  • Chrome 89 Released on 2021-03-02
  • Chrome Android 89 Released on 2021-03-02
  • Edge 89 Released on 2021-03-04
  • Firefox 102 Released on 2022-06-28
  • Firefox for Android 102 Released on 2022-06-28
  • Safari ❌ See webkit.org/b/264731
  • Safari on iOS ❌ See webkit.org/b/264731

Baseline availability blocked since June 2022 by Safari (37 months)

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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