10s.site10 Seconds Lab

Launch in 10 seconds. Value in 10 seconds.

Open Dashboard

10 Seconds Principle

Launch Fast

Every project should open quickly, explain itself clearly, and skip unnecessary setup.

Value in Seconds

Tools solve chores, games start instantly, and simulations give you something to explore before attention drifts.

Use and Leave

No account wall, no onboarding maze, just focused browser experiences that respect your time.

Dashboard

Every card answers one question: what can this project give you in the first 10 seconds?

LIVEBrowser extensionArrow NavigationIn 10 seconds: make page-to-page browsing feel keyboard-native.Launch project LIVE3D simulationSolar System ExplorerIn 10 seconds: launch a browser-scale universe and start switching focus, orbit, and time.Launch project LIVEMarkdown utilityMarkdown Table Row-Column ConverterIn 10 seconds: clean up the repetitive work of converting table rows and columns.Launch project

COMING SOONOnline gameZipSudokuIn 10 seconds: open a fresh Sudoku board for a quick mental warm-up.Preparing launch

The Rule

10s.site is not only a tools directory. It is a launchpad for lightweight web projects: practical tools, browser extensions, games, simulations, and small experiments that make their value obvious almost immediately.