InstaIdea
Free browser games, developer tools, and everyday utilities
InstaIdea is a free browser-based collection of 232 mini games, brain-training games, developer tools, and everyday utilities. It includes quick tools such as JSON formatter, QR generator, regex tester, JWT decoder, SQL formatter, CSS helpers, timers, calculators, random pickers, typing games, memory games, reaction tests, MBTI test, and AI tarot. It works without install or signup and supports Korean, English, and Japanese pages.
