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Install container2wasm with Homebrew, Nix

Container to WASM converter. Version 0.8.4 via Homebrew; verified 2026-07-27. Also installable with nix: nix profile install nixpkgs#container2wasm.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install container2wasm

local Homebrew formula metadata

Linux

Nixverified · 92%
nix profile install nixpkgs#container2wasm

nixpkgs package indexes · pkgs/by-name/co/container2wasm/package.nix · source: api.github.com

overview

Package summary

Container to WASM converter

Commands and aliases

  • c2w
  • c2w-net

history

Project history and usage

container2wasm is an experimental converter that turns container images into WebAssembly artifacts runnable on WASI runtimes or in browsers. It occupies a niche where container packaging meets WebAssembly portability experiments.

Project history

Official releases began with v0.1.0 in February 2023. The README describes support for emulation through Bochs, TinyEMU, and QEMU, along with WASI runtimes such as wasmtime, wamr, wasmer, wasmedge, and wazero.

Adoption history

Official sources present demos and examples rather than an adopter list. The project is best understood as experimental tooling for developers exploring how existing container images can be repackaged for WebAssembly and browser-hosted environments.

How it is used

The main `c2w` command converts a container image such as `ubuntu:22.04` into an output `.wasm` file. The companion `c2w-net` command supports networking experiments for converted WASM images, including browser and WebSocket delegation modes.

Why package nerds care

The package is interesting because it treats a container image as an input artifact rather than as something only a container runtime can execute. For package-manager users, it exposes a command-line bridge between OCI-style image distribution, WASI runtimes, and browser demos.

Timeline

  • 2023: v0.1.0 release published.
  • 2025: v0.8.0 release published.
  • 2026: v0.8.4 release published.

Related projects

  • The README names WASI runtimes including wasmtime, wamr, wasmer, wasmedge, and wazero, and describes emulation through Bochs, TinyEMU, and QEMU.

security posture

No protected-tool coverage found yet

No matching local secret-handling manifest was found for container2wasm. Package metadata is still published here so future coverage has a stable package URL.

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 6 platform targets.
  • Build metadata lists 1 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
c2wcliglobal executable
c2w-netcliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-04
manager version0.8.4
manager updated2026-07-27
local dataok
upstreamcurrent
latest detectedv0.8.4

https://github.com/container2wasm/container2wasm

  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:container2wasm
Version0.8.4
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/container2wasm
Homepagehttps://ktock.github.io/container2wasm-demo/
Repositoryhttps://github.com/container2wasm/container2wasm
Upstream docshttps://ktock.github.io/container2wasm-demo/
LicenseApache-2.0
Source archivehttps://github.com/container2wasm/container2wasm/archive/refs/tags/v0.8.4.tar.gz
Last updated2026-07-27T22:04:04+02:00
Pulseupdated
Build dependenciesgo
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namecontainer2wasm
Version Scheme0
Revision0
Head VersionHEAD
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • head
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

container2wasm

nix profile install nixpkgs#container2wasm
  • normalized package name match
  • Matched by: Container2wasm
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/co/container2wasm/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Related tools

  • goBuild dependency declared by Homebrew.

Same workflow

  • wasmtimeShares pkgdb curated category or tags: cli, developer-tools, wasi, webassembly.
  • wabtShares pkgdb curated category or tags: cli, developer-tools, wasm, webassembly.
  • wasmerShares pkgdb curated category or tags: cli, developer-tools, wasi, webassembly.
  • wasmedgeShares pkgdb curated category or tags: cli, developer-tools, wasi, webassembly.
  • cargo-componentShares pkgdb curated category or tags: cli, developer-tools, wasm, webassembly.
  • dockerShares pkgdb curated category or tags: cli, containers, developer-tools.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment
  • pkg.so package database
  • pkgdb category and tag curation