Anyfile
Open file
.zstTypical support level 2

Inspect Zstandard frame Online

Zstandard stores fast compressed frames with optional content size, checksum and dictionary identifiers. Anyfile inspects those frame properties locally without treating every payload as an archive.

Choose a .zst file

Your file stays on this device

Anyfile reads only the local file you select. Parsing, decoding and rendering happen in this browser tab; the file is not uploaded to Anyfile servers.

What Anyfile can show

  • Recognized headers and container properties
  • Bounded entry or stream metadata when available

Limits and conditions

  • This is structural inspection, not a full extraction workflow
  • Encrypted, corrupt or extreme inputs can be rejected

Need deeper capabilities?

7-ZipUse a dedicated archive utility when you need to extract, test or create archive contents.

Independent suggestion; no partnership or endorsement is implied.

IMPLEMENTATION

Viewers responsible for this format

Archive metadata viewer
Bounded local listings for ZIP-derived and compressed archives.
See implementation and open-source credits

Common question

Why might a ZST frame need a dictionary?

Some producers compress against an external dictionary; metadata can be readable even when that payload cannot be decoded alone.