ivanuhka4

5 listings we've seen · as of 6 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Games

Quick math training in your browser with speed rounds and local high scores.

Tools

Measure ambient noise in your browser. A quick decibel estimate from your microphone — nothing is recorded or stored.

Developer Tools

Fast local on-page SEO analysis with popup and full page audit modes.

Games

Play a compact 9x9 Sudoku in the extension and jump to more puzzles on sudoku-play.org.

Games

Flip a simple virtual coin from the browser toolbar.