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1.2K Stars 84 Forks Apache License 2.0 709 Commits 41 Opened issues


Bubblewrap is a Command Line Interface (CLI) that helps developers to create a Project for an Android application that launches an existing Progressive Web App (PWAs) using a Trusted Web Activity.

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Bubblewrap is a set of tools and libraries designed to help developers to create, build and update projects for Android Applications that launch Progressive Web App (PWA) using Trusted Web Activity (TWA).


Getting Started

Bubblewrap Components

  • bubblewrap/core: a javascript library for generating, building and updating TWA projects.
  • bubblewrap/cli: a command-line version of Bubblewrap.
  • bubblewrap/validator: library to validate the correctness and compare Trusted Web Activity projects against the quality criteria.


We welcome anyone who wants to contribute with issues, feedback, feature requests or just generally discuss Bubblewrap. Alternatively developers can contribute to the conversation by joining the public monthly office hours, which hosted on every first Thursday at 5PM, London time. Check when the next office hours is going to happen via this calendar and join the meeting via this link.

Getting started with GUI tools

  • If you are just getting started with APK generation from PWA, You might want to check PWABuilder. This tool is powered by Bubblewrap and uses the same underlying core.


See CONTRIBUTING for more.


See LICENSE for more.


This is not a Google product.

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