# `•deflate` — Compression

`•deflate bytes` decompresses gzip data and returns the bytes.
`•deflate⁻¹ data` compresses `data` with gzip. It compresses text as
UTF-8, and numbers as bytes from 0 to 255, as [`•nput`](nput.qmd) writes
them. Both directions take a format name on the left: `"gzip"`, `"zlib"`
or `"deflate"` (raw DEFLATE).

``` bpl
•ucs •deflate •deflate⁻¹ "hello"          ⍝ "hello"
"zlib" •deflate "zlib" •deflate⁻¹ 1 2 3   ⍝ [1 2 3]ₓ
```

Errors: `DOMAIN` for an unknown format, byte values outside 0 to 255, or
data that doesn’t decompress.