Launch downloads

Download BuildAPlugin

The free macOS, Windows, Linux, and Android public betas are live. Choose the package for your platform below.

Get the free public beta

Download the beta without creating an account, entering an email address, or completing checkout. A silent AWS WAF browser challenge filters automated abuse, then the site issues a private CloudFront link that expires after five minutes.

Available · Apple notarized

BuildAPlugin macOS Public Beta

Version 1.0.0, build 4, for Apple Silicon and Intel. This direct-download package is built from the same source and build number submitted to App Store Connect, then separately signed as Developer ID Application: Melvin Ollewagen (KJY5S2ZW8W). The app stops working after the beta deadline.

ZIP SHA256: d9e615a8a39ba480350d603d395c82b2c9c1f83eb96e80926d09983035e8ff31 Beta expires: 11 August 2026 at 22:00 UTC
Download for macOS
Available · Guided installer

BuildAPlugin for Windows

Version 1.0.0 for 64-bit Windows. The setup wizard installs the complete app, creates Start Menu shortcuts, and provides a standard uninstaller. It is not yet code-signed, so Microsoft SmartScreen may display a warning.

Installer SHA256: 8a171a3c7c2193a4b0043d935163312e154bfa31bb884b079ef550410aa97a0e Package: unsigned per-user installer
Download for Windows
Available · Debian package

BuildAPlugin for Linux

Version 1.0.0 for 64-bit Debian and Ubuntu systems. The tested .deb installs the app, launcher entry, and icon using the standard system package manager.

DEB SHA256: c3ef07867f06463a554db34ad55cf2bd0a30312798821fc75e492fcb62b551b6 Package: amd64 Debian package
Download for Linux
Available · Direct APK

BuildAPlugin for Android

Version 1.0.0 for Android 7.0 and newer. This direct beta APK is release-compiled and development-key signed; Android will ask you to approve installation from your browser or file manager.

APK SHA256: 8a0722f78cd7aadb7b0e6fd4f64560049cbbe5f4eb26041edae1f6cbbbfc42f4 Package: development-key signed APK
Download for Android

Install the desktop beta

1. Download Click Download for macOS and save BuildAPlugin-macOS-1.0.0-build4.zip. No signup is required.
2. Install Open the ZIP and drag Build A Plugin.app into Applications.
3. Launch Open the app normally. The notarized build is accepted by Gatekeeper; do not bypass macOS security settings.
4. Report bugs Use the in-app feedback button or the beta support form.
Windows Run BuildAPlugin-Setup-1.0.0.exe and follow the setup wizard. No administrator access is required. The current installer is unsigned and may trigger SmartScreen.
Linux Open the downloaded .deb in your software installer, or run sudo apt install ./BuildAPlugin-Linux-1.0.0-amd64.deb.
Android Open the APK and approve installation from this source when Android prompts. The beta is development-key signed and is not a Play Store release.

What is included

API workspaceRequests, headers, bodies, responses, collections, imports, exports, variables, and request hooks.
Plugin runtimeCommonJS JavaScript plugins can add UI, run commands, inspect responses, and mutate the workspace.
Native bridgesBluetooth, camera, microphone, audio, system info, network, files, clipboard, secure storage, mail, SMS, phone, Android, and Windows diagnostics.