What does that acronym mean?

Type any acronym or abbreviation and get the most common meanings instantly. All lookups happen right in your browser — nothing is ever sent to a server.

How It Works

Instant Lookup

Enter any acronym and see matching definitions from our curated list of over 200 common terms across tech, business, internet slang, and everyday language.

Add Your Own

Have a custom acronym or an inside joke? Add it to your personal dictionary and it will appear alongside the built-in results — saved locally on your device.

100% Private

Everything runs in your browser. No accounts, no tracking, no data sent anywhere. Your custom entries stay on your device.

Add a Custom Acronym

Missing an acronym? Add it below and it will appear in future lookups. Your custom entries are saved to your browser's local storage.

Popular Acronyms

Here are some frequently searched acronyms to get you started. Click any card to see all known meanings.