Contextual definitions
Understand words without leaving the page you are reading.
Chrome extension · Free
volab
Learn English vocabulary while you browse
volab turns everyday web pages into interactive vocabulary lessons. Click any word for its meaning, pronunciation, audio, usage examples, and Vietnamese translation, right where you read.
Works on English web pages. No account setup required to start.
Pronunciation & audio
See phonetics and hear how each word sounds.
Vietnamese meaning
Learn with clear English-to-Vietnamese translations and examples.
Remembers your words
Carry your familiarity and learning progress across pages.
About engrlab
Software experiments that become useful products.
engrlab is an independent product lab. We build practical applications for learning, productivity, and web-based workflows.
We start small, work from real behavior, and keep refining until an idea earns a place in someone’s day.
Products
Discover our apps
Each engrlab product has one focused job and its own dedicated home.
How we work
Quietly technical.
Deliberately useful.
Practical over noisy
Clear value matters more than attention-grabbing features.
Real workflows
Products should fit the way people already learn, think, and work.
Small and focused
Complexity stays only when it creates lasting value.
Respect attention
Quiet interfaces, clear choices, and no manufactured urgency.