Context Reader 作者: Ian
Understands what you are reading and explains it in your language. Free, open source, no server, no tracking.
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Understand the word, not just its definition.
A dictionary gives you every meaning of "culture". Context Reader reads the sentence you're actually looking at, works out that you're reading a lab report, and gives you the one that fits.
Select a word on any page. You get the meaning that matches the context, in your language, in about two seconds.
110 languages
Every language Google lists Gemini as supporting, from Afrikaans to Zulu: Español, हिन्दी, العربية, Français, বাংলা, Português, 简体中文, 日本語, Kiswahili, தமிழ், اردو, 한국어 and the rest. English and Sinhala are tuned with checked examples; the extension tells you which languages are and which aren't.
Already reading in your own language? It won't translate a word into itself. It gives you a simpler word for the one you're stuck on.
Go deeper when you need to. Three further views on any word: a worked scenario, a dictionary-style entry, and a plain explanation pitched at a thirteen-year-old.
Free, and built to stay that way
Context Reader has no server. It calls Google's Gemini API directly from your browser using your own free API key, which takes about a minute to create. Nobody is paying per-lookup costs, so there is no subscription, no quota and no reason to ever start charging.
No tracking. Verifiably.
No analytics, no telemetry, no account, no identifiers. The extension has permission for exactly one site, Google's Gemini API, and your lookups go nowhere else. When you install it, Firefox will tell you it sends website content: that is the word you select and the sentence around it, sent to Google to get the explanation, and nothing else. Typefaces ship inside the extension for every language except Chinese, Japanese and Korean; those three fetch one font file when a bubble first opens, with no page address attached.
Your API key is stored on your device only and can be encrypted with a passphrase.
Open source (MIT). The entire source is public, so you don't have to take our word for it.
A dictionary gives you every meaning of "culture". Context Reader reads the sentence you're actually looking at, works out that you're reading a lab report, and gives you the one that fits.
Select a word on any page. You get the meaning that matches the context, in your language, in about two seconds.
110 languages
Every language Google lists Gemini as supporting, from Afrikaans to Zulu: Español, हिन्दी, العربية, Français, বাংলা, Português, 简体中文, 日本語, Kiswahili, தமிழ், اردو, 한국어 and the rest. English and Sinhala are tuned with checked examples; the extension tells you which languages are and which aren't.
Already reading in your own language? It won't translate a word into itself. It gives you a simpler word for the one you're stuck on.
Go deeper when you need to. Three further views on any word: a worked scenario, a dictionary-style entry, and a plain explanation pitched at a thirteen-year-old.
Free, and built to stay that way
Context Reader has no server. It calls Google's Gemini API directly from your browser using your own free API key, which takes about a minute to create. Nobody is paying per-lookup costs, so there is no subscription, no quota and no reason to ever start charging.
No tracking. Verifiably.
No analytics, no telemetry, no account, no identifiers. The extension has permission for exactly one site, Google's Gemini API, and your lookups go nowhere else. When you install it, Firefox will tell you it sends website content: that is the word you select and the sentence around it, sent to Google to get the explanation, and nothing else. Typefaces ship inside the extension for every language except Chinese, Japanese and Korean; those three fetch one font file when a bubble first opens, with no page address attached.
Your API key is stored on your device only and can be encrypted with a passphrase.
Open source (MIT). The entire source is public, so you don't have to take our word for it.
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