CompressionStream

Baseline 2023
Newly available

Since May 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

Note: This feature is available in Web Workers.

The CompressionStream interface of the Compression Streams API is an API for compressing a stream of data.

Constructor

CompressionStream()

Creates a new CompressionStream

Instance properties

CompressionStream.readable

Returns the ReadableStream instance controlled by this object.

CompressionStream.writable

Returns the WritableStream instance controlled by this object.

Examples

In this example a stream is compressed using gzip compression.

js
const compressedReadableStream = inputReadableStream.pipeThrough(
  new CompressionStream("gzip"),
);

Specifications

Specification
Compression
# compression-stream

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
CompressionStream
CompressionStream() constructor
"deflate" compression
"deflate-raw" compression
"gzip" compression
readable
writable