BASELINE NowYouCanUse.com
Widely Available
id: compression-streams

Compression streams

The CompressionStream and DecompressionStream APIs compress and decompress data using the gzip or deflate formats.
Baseline Status: Achieved Widely Available on Nov 9, 2025 (Cross-browser Newly Available since May 9, 2023).
Desktop Browser Engine Support
Google Chrome
80
Supported
Mozilla Firefox
113
Supported
Apple Safari
16.4
Supported
Microsoft Edge
80
Supported
Mobile Browser Engine Support
Chrome Android
80
Firefox Android
113
Safari iOS
16.4
Specifications and References
Specification ↗ Feature XML ↗
MDN Browser Compat Data Keys:
api.CompressionStream ↗ api.CompressionStream.CompressionStream ↗ api.CompressionStream.CompressionStream.brotli ↗ api.CompressionStream.CompressionStream.deflate ↗ api.CompressionStream.CompressionStream.deflate-raw ↗ api.CompressionStream.CompressionStream.gzip ↗ api.CompressionStream.readable ↗ api.CompressionStream.writable ↗ api.DecompressionStream ↗ api.DecompressionStream.DecompressionStream ↗ api.DecompressionStream.DecompressionStream.brotli ↗ api.DecompressionStream.DecompressionStream.deflate ↗ api.DecompressionStream.DecompressionStream.deflate-raw ↗ api.DecompressionStream.DecompressionStream.gzip ↗ api.DecompressionStream.readable ↗ api.DecompressionStream.writable ↗