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zstd — Compress or decompress files with Zstandard compression. More information: <https://manned.org/zstd>

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandfilesdecompresszstandardzstdcliwithcompress

Problem

How to use the zstd command: Compress or decompress files with Zstandard compression. More information: <https://manned.org/zstd>.

Solution

zstd — Compress or decompress files with Zstandard compression. More information: <https://manned.org/zstd>.

Compress a file into a new file with the .zst suffix:

zstd {{path/to/file}}

Decompress a file:

zstd {{[-d|--decompress]}} {{path/to/file.zst}}

Decompress to stdout:

zstd {{[-d|--decompress]}} {{[-c|--stdout]}} {{path/to/file.zst}}

Compress a file specifying the compression level, where 1=fastest, 19=slowest, and 3=default:

zstd -{{level}} {{path/to/file}}

Compress a file using an ultra-fast compression level, where 1=default:

zstd --fast={{level}} {{path/to/file}}

Unlock higher compression levels (up to 22) using more memory (both for compression and decompression):

zstd --ultra -{{level}} {{path/to/file}}

Set the number of working threads to the number of physical CPU cores:

zstd {{[-T|--threads]}} 0

Code Snippets

Compress a file into a new file with the `.zst` suffix

zstd {{path/to/file}}

Decompress a file

zstd {{[-d|--decompress]}} {{path/to/file.zst}}

Decompress to `stdout`

zstd {{[-d|--decompress]}} {{[-c|--stdout]}} {{path/to/file.zst}}

Compress a file specifying the compression level, where 1=fastest, 19=slowest, and 3=default

zstd -{{level}} {{path/to/file}}

Compress a file using an ultra-fast compression level, where 1=default

zstd --fast={{level}} {{path/to/file}}

Context

tldr-pages: common/zstd

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