Extism CLI generates and executes Extism plugins, and manages libextism installations.
Publisher’s description
What is Extism CLI?
Extism CLI by Dylibso is open-source Windows software. It is written in Go.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Updates and version history
The current version is 1.6.3, released on July 23, 2025. The version history goes back to December 1, 2024: 3 releases, all linked to the official files. The last update is more than a year old.
Popularity and file types
The source code on GitHub (extism/cli) has 25 stars.
Project description on GitHub: “The extism CLI is used to generate plugin scaffolding and manage Extism installations”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
- No update for more than a year
In short: Extism CLI is an open-source Windows tool for 64-bit PCs. Updates have slowed down.
Is Extism CLI safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
47E4ED2782445B2B08A4D1AC127211588F8B4D1FC25FD6481D4CB65151B5213C· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.6.3Latest | July 23, 2025 | — | 64-bit ZIP |
| 1.6.2 | January 15, 2025 | — | 64-bit ZIP |
| 1.6.1 | December 1, 2024 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id Dylibso.Extism.CLI -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Dylibso
- Licence
- BSD-3-Clause
- Price
- Free
- Source code
- github.com/extism/cli
- Written in
- Go
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 1.6.3
- Released
- July 23, 2025
- Added to the catalogue
- December 1, 2024
- Versions listed
- 3
- GitHub stars
- 25
- GitHub forks
- 7
- Website
- extism.org
- winget ID
- Dylibso.Extism.CLI
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Extism CLI free?
Yes. Extism CLI is open-source software under the BSD-3-Clause licence.
Is Extism CLI safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Extism CLI with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Extism CLI run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Extism CLI?
The versions page lists all 3 versions with links to their official installer files, back to December 1, 2024.
Can I use Extism CLI without administrator rights?
Yes, it is portable: unpack and run it.