Translation & Language AIfree

LibreTranslate

Self-hostable open-source machine translation API and web UI

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What LibreTranslate does

  • Self-hostable open-source machine translation API and web UI
  • Runs offline with Argos models; no API key needed for self-hosting
  • Docs, language detection and file translation

LibreTranslate — straight answers

What is LibreTranslate?

LibreTranslate is listed under Translation & Language AI, in the Content & Media Generation category on Flocci AI Tools. Self-hostable open-source machine translation API and web UI. It is free, with no paid plan attached, and it lives at github.com.

Is LibreTranslate free?

LibreTranslate is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

Can I use LibreTranslate in a browser, or is there an app?

LibreTranslate works in a normal browser tab with no install. It is available on the web, self-hosting and an API.

What can LibreTranslate do?

LibreTranslate does 3 things the catalog singles out: Self-hostable open-source machine translation api and web ui; runs offline with argos models; no api key needed for self-hosting; docs, language detection and file translation.

What is the best free alternative to LibreTranslate?

Bhashini is the closest free alternative: it sits in the same Translation & Language AI sub-category and is free. Google Translate, Kagi Translate and Microsoft Translator also start free. The full list is on the alternatives page.

See the full list →

LibreTranslate alternatives

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DeepL

Translation & Language AI
freemium
  • Free web/app translator widely regarded as higher-quality than Google Translate for supported languages
  • Document translation preserving formatting (PDF, Word, PowerPoint, Excel)
  • DeepL Voice for real-time spoken conversation translation
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Lokalise

Translation & Language AI
  • Context-aware AI translation with multi-LLM smart routing across providers
  • Custom AI profiles using RAG tuned to a company's terminology
  • Purpose-built translation-management workflow for software/app localization teams
Visit

Argos Translate

Translation & Language AI
free
  • Offline open-source translation library and GUI using OpenNMT models
  • Language packs installable on demand; Python API and CLI
  • MIT licensed; engine behind LibreTranslate
Visit

Immersive Translate

Translation & Language AI
freemium
  • Browser extension that translates pages side by side (bilingual) with Google, Microsoft, DeepL and LLM engines
  • Translates PDFs, ebooks, subtitles for YouTube/Netflix and documents
  • Free tier with daily limits; bring-your-own API keys for LLMs
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Bhashini

Translation & Language AI
free
  • Government of India's free national language platform: text, speech-to-text, text-to-speech and translation across 22 Indian languages
  • Mobile apps for Android and iOS, plus Bhashini Speak for voice synthesis
  • Free public service under Digital India
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Hunyuan-MT (HY-MT)

Translation & Language AI
free
  • Tencent's open 7B translation models covering 33 languages including Chinese minority languages
  • Won 30 of 31 language pairs in the WMT25 general translation task
  • HY-MT1.5 update runs on small devices; open weights on Hugging Face
Visit

Head-to-head comparisons

LibreTranslate vs DeepLLibreTranslate vs LokaliseLibreTranslate vs Argos TranslateLibreTranslate vs Immersive TranslateLibreTranslate vs BhashiniLibreTranslate vs Hunyuan-MT (HY-MT)