Pack & Unpack ZST files on Mac
Built for Zstandard
unpackZST brings ZST to macOS
Open .zst files instantly with a simple, native Mac experience.
No terminal, no setup, no extra tools. Just drag, drop, and extract.
Open Zstandard (.zst) archives with a single drop. Fast decompression for backups, packages, and data sets.
Create Zstandard (.zst) archives with a single drop. Fast compression of files and folders.
Encrypt .zst and .tar.zst with a password, decrypt .zst.enc, and compress other files to encrypted ZST.
Convert archive files (e.g. .zip, .z7, .rar ...) into Zstandard (.zst) compressed files. Saving space and increasing decompression speed.
ZSTdrive mounts a drive that compresses files automatically using modern ZST compression.
Privacy first. Always.
Your files stay on your Mac.
No analytics. No tracking. No data collection.
ZST is the modern compression standard.
Smaller files. Faster speeds. Built for today’s systems.
macOS can’t open .zst files out of the box.
