Other Crypto Tools

Electron PackagerPackage Electron Apps for Windows, macOS and Linux

A plain look at Electron Packager, a free open source tool for bundling Electron apps, including its 2017 project status, installation steps and safety tips.

Free Open source Windows: Yes v5.2.0 Updated 15 Sept 2017
8 min read Last update 15 Sept 2017 github.com/brave/electron-packager

Electron Packager is an open source tool for developers who build desktop apps with the Electron framework and need to ship them as ready-to-run bundles for Windows, macOS and Linux. It is free, and you can drive it from a JavaScript script or from the command line.

It sits in the Other Crypto Tools category because wallet and blockchain developers often use Electron to build desktop front ends, and packaging is one step in that work. Be aware that the project has had no code updates since September 2017, so treat it as an older tool and test it carefully before relying on it.

02

What Is Electron Packager and Who Is It For?

Electron Packager is for developers who already have an Electron application and need a dependable way to hand it to users. Electron lets a team build a desktop program with web technologies such as HTML, CSS and JavaScript, running on a bundled runtime outside a browser. The packager is the step that takes that project and produces the files a Windows or macOS user can actually open.

The typical reader is a small developer team or a single maintainer who ships internal tools, dashboards or prototypes. In crypto-related work, that might mean a desktop interface for monitoring a node, a team tool for reviewing transaction data, or a demo app for a community. Electron Packager does not change what the app does. It only handles packaging, so code quality, dependencies and security remain your responsibility.

03

How Packaging Turns an Electron App Into a Desktop Bundle

During packaging, the tool gathers your application files, copies in the Electron runtime for the chosen target, and assembles them into platform-specific output. On macOS that output is typically an .app bundle. On Windows it is a folder with an executable that other tools can wrap in an installer. The exact layout depends on the options you pass in.

Think of packaging as a build step that runs after development. Test the app from source first, then package it, then test the packaged version on a clean machine. Packaging does not sign your application. Code signing, which shows who published a build, is a separate step, and operating systems may warn users about unsigned software. Read the project documentation before deciding how to handle signing in a release.

04

Real-World Use Cases for Electron Packaging

Packaging is most useful when you need the same app on several systems with little manual work. Some common scenarios:

  • Internal tools: a team ships a desktop utility to staff on Windows and macOS without asking each person to set up a development environment.
  • Demos and prototypes: a developer packages a working build so a client can open it without installing Node.js.
  • Repeatable releases: a script runs the packager each time a version is tagged, which keeps output consistent.
  • Pre-release testing: packaged builds can reveal problems, such as missing files, that never appear when the app runs from source.

Each scenario benefits from a short test checklist. Packaging is the last step, so verify behavior on the target system before you share the result.

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Key features

OS-specific bundles

Turns an Electron project into platform-specific output, such as .app bundles for macOS and .exe files for Windows. The result is something a user can open without setting up a separate build environment. That keeps the distribution step simple for small teams that ship a few versions a year.

JavaScript API and command line

You can call the packager from a Node.js script or run it from a terminal with options. Scripts suit repeatable release builds, where the same settings should run every time. The command line is quicker for one-off packaging, such as a quick test build before a demo.

Cross-platform targets

The project covers Windows, macOS and Linux from one codebase, so you do not need a separate packaging tool for each system. Building for another platform still depends on your environment and that platform's own requirements, so check the documentation before you start a cross-platform release.

Free and open source

The tool costs nothing to use, and its source code is hosted on GitHub. You can read how it assembles files, follow its history and report problems to the project. The code is written in JavaScript and TypeScript, which many web developers already know well.
06

How to install Electron Packager on Windows

  1. 1

    Check your prerequisites

    Install Node.js and npm if you plan to use the command-line tool or the JavaScript API, because the packager runs on them. Choose the long-term-support release of Node.js from its official site, since it is the safer choice for build tools.

  2. 2

    Download the release

    Download the package from the official project page or the GitHub Releases page for the source repository. Pick the most recent tagged release, which is currently v5.2.0, and avoid unofficial mirrors.

  3. 3

    Verify the file

    Compare the SHA-256 checksum of your download with the value published alongside the release, or check the signature if one is provided. Stop and download again if the values do not match.

  4. Install and run

    Install the package with npm, either globally for command-line use or as a dependency in your project. Run the packager from a terminal inside your Electron project folder, then check the output folder and test the result before you distribute it.

07

System requirements

  • A Windows PC to run the packager and to test the packaged output
  • Node.js and npm, required because the command-line tool is installed through npm
08

How to use Electron Packager

Packaging is a build step you run after your Electron app works in development. The steps below assume you already have a project folder with its own package.json file.

  1. Open a terminal in your project folder and confirm that Node.js and npm respond to version checks.
  2. Run the packager command with your application name and the Windows target. Pass the platform and architecture options as described in the project's readme.
  3. Wait for the process to finish, then open the output folder. Look for the executable and the resource files the app needs.
  4. Launch the packaged app on the same machine first, checking that windows, menus and file access work as they do in development.
  5. Copy the output to a clean Windows machine without your development tools and run it again, since missing files often show up only at this stage.
  6. Save the exact command and options you used, so the next release can be built the same way.
  7. If you need builds for macOS or Linux, check the project documentation for cross-building notes before starting that process.
09

Pros & cons

Pros
  • Free and open source
  • Covers Windows, macOS and Linux from one tool
  • Usable from a JavaScript script or the command line
  • Source code is public on GitHub for review
Cons
  • No code updates since September 2017
  • Not a crypto tool, so it adds no blockchain functionality
  • Requires Node.js tooling and some familiarity with Electron
  • Compatibility with current Electron releases needs testing
10

Is Electron Packager safe?

Electron Packager has had no code updates since September 2017, so treat it as an unmaintained tool and check the latest version on the official website before you use it. Get the source from the GitHub repository or its Releases page, and do not use copies from third-party download sites. Compare the SHA-256 checksum of the file with the value published by the project, or verify a signature if one is offered. Packaged apps run with the permissions of the user, so review the code you bundle. Antivirus tools may flag unfamiliar packaging output, so investigate a warning rather than turning protection off. If your app handles wallets or keys, never enter a seed phrase on a website, and keep key handling in code you have reviewed.

  • Official source only. Download from github.com/brave/electron-packager. Ignore ads and lookalike domains.
  • Check the SHA-256. Compare the installer hash with the value the developer publishes before running it.
  • Never share your seed phrase. No developer, support agent or website — including CryptApps — will ever ask for it.
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Alternatives

Most similar programs in this catalog are built for specific blockchain jobs. Subzero focuses on keeping a reserve of Bitcoin offline, PSBT Commander helps create partially signed Bitcoin transactions with a Rust-based toolkit, and Dumplings analyzes CoinJoin transactions. Electron Packager does none of that. It is a developer utility for turning an Electron app into a Windows or macOS bundle, so it belongs in the build stage of a desktop project rather than in a wallet or analysis workflow. If you need blockchain functionality, choose one of those tools. If you are building your own desktop front end, Electron Packager handles the packaging step.

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Specifications

Price
Free
Type
Open source
License
—
Latest version
v5.2.0
Last update
15 Sept 2017
Windows support
Yes (Windows build or installer)
Source code
github.com/brave/electron-packager
13

Frequently asked questions

Electron Packager turns an Electron application into OS-specific bundles, such as .app files for macOS and .exe output for Windows. Developers use it at the end of the build process so their app can be distributed as a ready-to-run package. It can be called from JavaScript code or from the command line, which makes it easy to repeat the same step with each new release.

Yes, Electron Packager is free and open source. Its source code is hosted on GitHub, so you can review how it works and follow the project's history. Since the download costs nothing, the main expense is the time spent setting up Node.js and testing packaged builds on each target platform.

Yes, the project supports Windows and lists Windows builds or installers among its options. You can package an Electron app into an .exe bundle on Windows, then test the result on a clean machine. The same project also targets macOS and Linux, so one tool can serve several platforms.

The tool is open source, which lets you inspect the code, but its last code update was in September 2017. Verify the checksum of the file you received and scan your output for problems before distribution. Treat it as an older utility and test it thoroughly with your current Electron version.

No, the project has had no code updates since September 2017. The latest version is v5.2.0. Because the code has not changed in years, check whether it still works with the Electron version your app uses, and consider newer alternatives if it does not.

Yes, if your wallet is built with Electron, the packager can turn it into a desktop bundle. The tool does not add wallet features or secure key storage, so the safety of seed phrases and signing depends on your own code. Never enter a seed phrase into a website, and review your packaged app carefully before users rely on it.

Install Node.js and npm first, then install the package through npm in your project or globally. Verify the download with its SHA-256 checksum, then run the packager from a terminal in your Electron project folder. The installation steps on this page cover each part of the process in more detail.

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Verdict

Electron Packager is a narrow, free developer tool for one job: turning an Electron app into bundles for Windows, macOS and Linux. It suits developers who already maintain an Electron project and want a simple command-line or JavaScript packaging step. It is not a good fit for people looking for a wallet, miner or trading tool. Because the code has not been updated since 2017, test it with your current Electron version, verify every download, and compare it with newer packaging options before you commit.

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