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Best Free & Open Source Alternatives to Google Translate

Compare 1 open-source Google Translate alternative including Linguist

If you're looking for the best open-source alternative to Google Translate; Linguist is a strong place to start.

#1 Linguist

Linguist

Translate web pages, highlighted text, Netflix subtitles, private messages, speak the translated text, and save important translations to your personal dictionary to learn words even offline

translate-tools/linguist is a privacy-focused, open-source browser extension for translating web content. It goes beyond standard translation widgets by offering flexible, secure, and offline-capable translations. Built in TypeScript, it is designed for users who value privacy and customization.

Features

  • Multi-modal Translation: Translate full web pages, selected text, subtitles, or any custom input.
  • Multilingual Support: Supports over 130 languages.
  • Text-to-Speech (TTS): Speak translated and original text.
  • Personal Dictionary & History: Save translations for later review.
  • Offline Translation: Supports Bergamot for on-device translations, keeping data private.
  • Custom Translator Modules: Integrate your own translators or use popular services like Google, Bing, DeepL, ChatGPT, etc.
  • Sandboxed Execution: Runs custom translators in isolated iframes for security.

Security & Privacy

  • Privacy-First: No tracking or data collection; fully open-source.
  • Secure Architecture: Manifest v3 support and sandboxed translator execution.

Compatibility

  • Browsers: Chrome and Firefox (desktop).
  • Mobile: Compatible with Firefox Nightly and Chromium-based browsers like Kiwi.
  • Installation: Available via GitHub releases or browser stores.

License

  • Main extension: BSD‑3‑Clause
  • Subproject linguist-translators: Apache‑2.0
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Frequently Asked Questions

Are there any open source alternatives to Google Translate?

Yes, there are 1 open source alternatives to Google Translate. Popular options include Linguist. These alternatives are free to use and many offer self-hosting options.

What is the best free alternative to Google Translate?

The best free alternative to Google Translate depends on your specific needs. Linguist is a popular choice. All alternatives listed here are open source and free to use.

Can I self-host an alternative to Google Translate?

Some alternatives may offer self-hosting options. Check each tool's documentation for deployment details.

Why should I switch from Google Translate to an open source alternative?

Open source alternatives to Google Translate offer several advantages: no vendor lock-in, complete data ownership, no subscription fees, the ability to self-host for privacy and security, and active community support. You can also customize the software to fit your specific needs.

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