Suggestion Extractor (web-toolbox.dev)
Free tool for bulk-fetching keyword suggestions from search engines like Google. Useful for SEO keyword research and content planning.
Playing Cards Chain Game
A browser game where you select from 4 cards on the table cards that share the same number or suit as the previous one, aiming to select all 52 cards. Includes a high score display and card checklist.
Kanji Magnifier (www.oh-benri-tools.com)
An online tool for displaying complex kanji characters in a large font. Text is displayed enlarged in real time as you type, with slider-adjustable size. Useful for checking the strokes of difficult kanji.
Metronome (www.oh-benri-tools.com)
An online metronome for use in a browser. Adjust tempo with a pendulum or slider, with support for beat and volume settings and spacebar operation. Fullscreen display is also available.
Tuning Fork (www.oh-benri-tools.com)
A digital tuning fork tool for use in a browser. Select scale and octave with sliders, with preset buttons for tuning guitar, bass, violin, and other instruments. The reference frequency can also be changed.
Bubble Wrap Popper
A simulator game where you pop virtual bubble wrap by clicking or dragging. Displays a count of popped bubbles, with fullscreen display and volume adjustment support.
