Fluent Tab is a browser extension designed to facilitate language learning while users browse the web. It integrates live translation functionality, allowing words on web pages to be replaced with their translations in real time using the DeepL API. The tool supports learning in eleven languages, including French, Spanish, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Dutch, and Polish.
The extension personalizes the learning experience by selecting words based on the user’s chosen difficulty level—beginner, intermediate, or advanced—and their ongoing learning progress. Users can interact with translated words by hovering to reveal the original text and clicking to mark words as learned, which contributes to tracking vocabulary growth over time. Fluent Tab also features smart caching to optimize translation efficiency and minimize API usage.
Additional controls include the ability to exclude specific pages from translation by using meta tags. The extension is available for download on Firefox. Translations are powered by DeepL, aiming to provide high-quality and contextually accurate results. The tool is developed by DBUIDL LIMITED, a company based in Glasgow, Scotland.
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Fluent Tab sits in PulseGate's Education & learning category. Helping users learn new languages naturally by translating words during regular web browsing. Fluent Tab is a consumer product aimed at language learners and students. The product is available for free. The product ships for the web and embeddable surfaces.
It is developed by dbuidl.com, and the product first shipped in 2025. Across PulseGate's embedding index, Fluent Tab has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are live translation, progress tracking, and difficulty levels.
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