Pontoon

What it does

API

Pontoon provides REST API endpoints under /api/v2/, and most endpoints are publicly accessible without authentication.checked 12 Oct 2026

API access

Yeschecked 22 Sep 2026

API token

Personal Access Tokens expire one year after creation and can be deleted manually at any time.checked 12 Oct 2026

Audience

The documentation is for localizers, administrators and project managers, and developers who contribute to or deploy Pontoon.checked 12 Oct 2026

Batch actions

Users with translator permissions can perform mass actions, including approving or rejecting suggestions and finding and replacing text across selected strings.checked 12 Oct 2026

Deployment limit

The project README says deployment documentation is available for Heroku and does not yet document deployment to other platforms.checked 12 Oct 2026

Development setup limit

The project states that its local development setup is not suitable for production use.checked 12 Oct 2026

Features

The home page lists machine translation, mass actions, localization dashboards, deadline and priority information, and notifications.checked 12 Oct 2026

File formats

Pontoon supports localization formats including Fluent, Gettext PO, XLIFF, .properties, and DTD.checked 12 Oct 2026

Glossary tools

Yeschecked 22 Sep 2026

Import limit

Uploaded translation files must be under 5000 kB and match the format of the selected resource.checked 12 Oct 2026

In-context localization

Mozilla describes Pontoon as focused on in-context localization.checked 12 Oct 2026

Intended users

Pontoon documentation is for localizers, administrators and project managers, and developers, including people who deploy their own instance.checked 12 Oct 2026

License

The project README says Pontoon is licensed under the New BSD License.checked 12 Oct 2026

Localization workflow

The home page describes a workflow where contributors suggest translations and trusted localizers approve them.checked 12 Oct 2026

Open-source focus

Pontoon specializes in community-driven open-source localization and is available as open-source software maintained by Mozilla.checked 12 Oct 2026

Purpose

Pontoon is a web-based translation management system for translating, reviewing, and managing strings for Mozilla products and websites.checked 12 Oct 2026

Repository sync

Pontoon pulls strings from Git and Mercurial repositories and can write translations back automatically.checked 12 Oct 2026

Review and quality

Pontoon supports suggestion and approval workflows and automatically checks translations for issues such as punctuation, capitalization, and variables.checked 12 Oct 2026

Self-hosting

Pontoon's documentation describes deploying a production instance, and the project says its own deployment documentation may need adaptation for other platforms.checked 12 Oct 2026

Source control

Pontoon can pull strings from Git and Mercurial repositories and write translations back automatically.checked 12 Oct 2026

Support

The project README directs users to GitHub Discussions for feedback, support, and third-party deployments.checked 12 Oct 2026

Support and feedback

The project directs users seeking feedback, support, or help with third-party deployments to GitHub Discussions.checked 12 Oct 2026

Translation memory

Yeschecked 22 Sep 2026