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bun.sh/docs/guides/util/gzip.mdx
2025-11-21 14:06:19 -08:00

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---
title: Compress and decompress data with gzip
sidebarTitle: Gzip compression
mode: center
---
Use `Bun.gzipSync()` to compress a `Uint8Array` with gzip.
```ts
const data = Buffer.from("Hello, world!");
const compressed = Bun.gzipSync(data);
// => Uint8Array
const decompressed = Bun.gunzipSync(compressed);
// => Uint8Array
```
---
See [Docs > API > Utils](/runtime/utils) for more useful utilities.