Crowdin
Localization & translation management platform for apps, websites and docs
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Self-hosted free API for high-quality machine translation
LibreTranslate offers a free, self-hosted translation API powered by Argos Translate, enabling offline, privacy-focused language conversion without reliance on proprietary services.
When teams consider LibreTranslate, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Website localization
Translate site content on demand while keeping all data in‑house.
Chatbot multilingual support
Provide real-time translation for user messages without external API calls.
Document batch translation
Process large text files offline, ensuring confidentiality and speed.
Mobile app language fallback
Serve translated strings from a self-hosted endpoint, reducing latency.
You can run it via Docker with a single command or install the Python package and start the server manually.
LibreTranslate supports the languages provided by the underlying Argos Translate models; the list grows as new models are added.
No. Once installed, it runs entirely offline, making it suitable for private environments.
Yes, under the AGPL-3.0 license, but you must comply with its terms, including providing source code for modifications.
LibreTranslate is self‑hosted; there is no official managed cloud offering, though third parties may provide hosted instances.
Project at a glance
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