Learn languages while browsing the web
Spot unfamiliar words, translate them, and build vocabulary on any website, PDF, or YouTube video — without leaving the page.
Nuances révélées par chaque mot
Apprendre des mots étrangers, c'est élargir délibérément son horizon intérieur. Chaque terme nouvellement acquis révèle une perspective insoupçonnée et transforme subtilement notre manière de percevoir le monde. À mesure que le lexique s'enrichit, la pensée gagne en justesse et en clairvoyance, en discernement, ouvrant la voie à une compréhension plus profonde et plus nuancée de la réalité qui nous entoure. Cette quête perpétuelle de savoir enrichit l' esprit...
this page
How it works
Read what you love
Discover & save new words
Remember forever
Build your personal vocabulary
Collections
Word status
Public collections
See if you can handle it
We show what share of the words on a page you already know. It is based on your own vocabulary, not on an abstract difficulty label.
Four zones
Easy / Your level / Challenging / Too hard — you see at a glance whether to start.
Where to start
We show which words buy the most understanding: “these 15 words add +3%”.
Subscription Plans
- Hover translations on any page
- Voiceover & pronunciation
- Collections & word saving
- 5 AI training sessions
- 10 AI term & example generations
- Vocabulary export (Anki, CSV, PDF)
- Public & private collections
- 50+ languages
- Everything in Free
- Unlimited AI training sessions
- Unlimited AI generation
- Enhanced voiceover quality
- Priority support
Questions?
Yes. The core features — translations, vocabulary tracking, and flashcards — are completely free with no limits. A Premium plan unlocks unlimited training sessions, unlimited AI generation, and enhanced voiceover.
Install the Chrome extension, sign in with your Google account — it takes just a few seconds. Then open any website and start highlighting words to translate and save them.
Yes! WordByWord integrates with YouTube subtitles. You can hover over words in subtitles to translate them, save to collections, and the video auto-pauses so you don't miss anything.
WordByWord supports 50+ languages including English, Spanish, French, German, Japanese, Chinese, Korean, and many more. You can learn multiple languages at the same time. See the full list of supported languages.
Yes. We store your vocabulary and learning progress to power the app. For full details, see our Privacy Policy. We never sell your data to third parties.
No. The extension activates only when you interact with it. It processes content efficiently and has no noticeable impact on page load times or browsing speed.
Yes! You can import words from CSV files and export your collections to Anki, CSV, or PDF — so your vocabulary is always portable.
Yes! You can make any collection public so others can learn from your word sets. Browse community collections to find ready-made vocabulary for any topic.
Ready to start?
