Look up any word instantly with AI explanations, analogies, and translations as you read.
Users
3
−2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#290K
#239K among extensions
Version
1.3.0
updated 23 Jul 2026
Users
monthly, 5 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Voiko
Voiko is an AI vocabulary coach that helps you understand any English word instantly — right where you're reading.
Highlight any word on any webpage and Voiko shows you:
• A plain-English explanation written like a message from a smart friend
• A relatable analogy to make the meaning stick
• A real example sentence
• Pronunciation (UK & US IPA) with audio
• Synonyms
• A translation in your native language
Why install Voiko?
Most people skip words they don't know. Voiko makes looking up a word effortless — no new tab, no dictionary app, no interruption to your reading flow. You learn the word in context, which is how vocabulary actually sticks.
Built for non-native English readers
Voiko is designed for people reading English as a second language. Every explanation is adapted to your native language and English level — beginner, intermediate, or advanced.
Your personal word history
Every word you look up is saved to My Words — a searchable vocabulary list you can review, filter by notes, and export to Notion or Obsidian.
Free to start
The free plan gives you unlimited dictionary lookups with definitions, IPA, and example sentences. You also get 10 free AI-powered Pro lookups to try explanations, analogies, and native translations. Upgrade to Pro for unlimited AI lookups and note-taking.