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Pontoon — Mozilla's Localization Platform

Pontoon is a translation management system used and developed by the Mozilla localization community. It specializes in open source localization that is driven by the community and uses version-control systems for storing translations.

📚 Documentation

Installing Pontoon

If you are looking to host your own instance of Pontoon, there are several ways to do so. To deploy Pontoon to Heroku without leaving your web browser, click the Deploy to Heroku button below.


Alternatively, you can deploy to Heroku manually by following our Deployment Documentation.

We don't have documentation for deploying to other platforms yet, so we recommend that you read the previously linked documentation and adapt it for your needs.

If you only want to deploy a local instance of Pontoon, for development or testing for example, see our Developer Setup using Docker. Please note that you should not deploy a production instance with Docker.

Contributing to Pontoon

Do you want to help us make Pontoon better? We are very glad!

To help you get started with contributing, we wrote The Guide to your First Contribution to Pontoon. It contains all the information you need to know to install Pontoon, populate its database, run tests, and send your contribution.

If you want to go further, you can:


This software is licensed under the New BSD License. For more information, read LICENSE.


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