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Learn the flag, capital, and region of all 194 countries with adaptive flashcards, multiple-choice quizzes, a searchable atlas, and a mastery dashboard — right in your browser.

by Launch Arcade

The classic Minesweeper puzzle game, built from scratch with no game engine. Uncover squares, flag mines, and clear the board.

by JayAgra

Test regular expressions with live highlighting. See matches, groups, and flags in real-time.

by Launch Arcade

Convert Scratch projects into standalone HTML files. Upload a Scratch project and download a self-contained web page you can share.

by SheepTester

Convert dates and times between time zones around the world.

by mlocati

Search any country and get travel info at a glance -- population, currency, languages, and more. A quick reference for planning your next trip.

by natasha-mann