Tolgee
Web-based localization and translation management platform
4.1k stars 367 forks last commit first released
Actively maintained
Last commit 26 Aug 2026.
Tolgee is an open-source, web-based localization platform designed for developers and translators to manage application translations efficiently. It combines in-context editing inside your running app with collaboration, automation, and integration options for modern development workflows.
Key Features
- In-context translation and editing directly in the application UI
- One-click screenshot capture with highlighted phrases for translation context
- SDK-based integrations for common web frameworks and JavaScript i18n workflows
- REST API for automation and integration with external systems
- CLI-based import/export and localization workflow support
- Machine translation suggestions via external providers (e.g., DeepL, Google Translate, AWS Translate)
- Translation memory and automatic suggestions for consistency
- Auto-translation for newly created keys using MT and/or translation memory
- Collaboration features including comments, activity logs, and translation history
Use Cases
- Localizing web applications with minimal developer involvement through in-app editing
- Building CI/CD-friendly translation workflows using API and CLI import/export
- Enabling non-developers (clients, translators, teammates) to manage copy updates safely
Limitations and Considerations
- Machine translation requires configuring external translation providers and related credentials
Tolgee is a strong fit for teams that want a developer-friendly alternative to traditional localization platforms while keeping translation work contextual, auditable, and easy to automate. Its combination of in-app editing, translation memory, and integration options helps reduce localization overhead as products scale to more languages.
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