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Work with zstd fast compressor, opener, extractor utility compress, open, extract ZST files free ZST files compressor, opener, extractor utility zstd for windows and linux how to open zst files decompress zst files

free zstandard files opener

PeaZip is fast a cross-platform free archiver (compressor, opener, extractor application) that provides a portable GUI for many Open Source technologies as 7-Zip, FreeArc, PAQ, UPX, Zstandard... free WinRar and WinZip alternative application.
- Create 7Z, ARC, BZ2, GZ, *PAQ, PEA, QUAD/BALZ, TAR, UPX, WIM, XZ, ZIP, Facebook's ZST files
- Open and extract ACE, ARJ, CAB, DMG, ISO, LHA, RAR, UDF, ZIPX files and more,
over 200 archive types supported
Features of PeaZip includes:
open and extract Zstandard ZST files, batch creation and extraction of multiple archives at once, convert files, create self-extracting archives, split and join files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hash and checksum, export job definition as script.

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Free Zstandard compression utility, open, extract ZST files



free zstandard files compressor

Work with ZSTD fast compressor, opener, extractor utility


PeaZip free archiver utility offers full read / write support (compress, open, decompress) for ZST compressed files, through the Open Source tool ZSTD from Facebook's Zstandard project (released under BSD + GPLv2 dual license) to offer the same GUI frontend to create, browse, and extract .zst files under Windows and Linux operating systems.
ZSTD compressor is multithreaded and provides faster than Deflate (ZIP / GZip) compression, even faster than current Brotli implementation, see PeaZip  comparative benchmarks page for fastest data compression results.
Zstandard algorithm is a pure single file (or stream) compressor, and does not provide file archiving features: if multiple files are sent to ZSTD compressor PeaZip will automatically switch to solid mode consolidating all input files / directories to a single TAR archive.
Treating the entore input as a whole usually also allows reach better compression ratio that compressing each input file separately.
ZSTD utility does not support encryption (files of .zst type cannot be password protected) as no encryption primitive is offered by Zstandard algorithm.

extract zstandard compressed files


Compress files with Zstandard algorithm

ZSTD fast data compressor accepts a single file as input, otherwise (to add multiple files and directories) use "TAR before" option to consolidate input in a single TAR package before proceeding with compression stage with Zstandard algorithm.

  • Create ZST files from system's file explorer

    • Use context menu entry PeaZip > Add to archive for archive creation screen, to set compression settings, output destination, and other options.

  • Create ZST files from PeaZip

    • Select files and folders, and use Add button (also in context menu) for archive creation screen

    • Drag and drop files / folders from the system to a PeaZip instance

compress files with Zstandard algorithm


How to convert Zstandard files


Archive file conversion procedure using Convert button extracts and then re-pack input archive files into any write-supported format (7z, arc, brotli, pea, tar, zip, zstandard...)

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This utility allows to convert any type supported for reading (ACE, CAB, RAR, TAR, ZIP...) into a new ZST file, as well as to convert existing ZST file into any other write-supported format.

Open Zstandard ZST files


To open ZST file and read its content (a single compresed file in case of plain .zst format, a tar archive opening a tar.zst or .tzst file), open it in PeaZip with double click if file extension is associated with the application, or using system context menu "Open as archive" entry, that will attempt to read any user provided file type regardless file associations

Extract ZST files


Decompress ZST files from the system
  • Use context menu entry "Extract..." for extraction screen to set output path and other options

  • Select one or more archives and use context menu entry Extract here or Extract here (to new folder) for quick extraction with no further confirmation

Decompress Zstandard-compressed files within PeaZip free archiver
  • Extract button shows archive extraction screen providing access to all extraction options (set output path, open output path after extraction, keep or delete original archives, etc)

  • Extract all to... button activates a simplified procedure only asking for output path

  • Simply drag & drop the compressed file from the application to the system to decompress it

free zstandard extractor

To work on a TAR file compressed with Zsrandard (with .tar.zst or .tzst extension) you will need to uncompress the tar container before using aforementioned methods.
Read more about how to extract archive files and how to extract selected content from archive.

7Z zstd plugin

Zstandard faster-than-zip compression is available also for 7Z format, with Tino Reichardt's 7Z plugins (supported by PeaZip, providing Brotli, Lizard, LZ4, LZ5, and Zstd algorithms for 7Z API), selecting Zstd compression method in Advanced tab when 7Z format is selected.

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FAQ > How to > Work with Facebook's free Zstandard compression utility, open, extract ZST files

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