Clock (www.oh-benri-tools.com)
An online clock that displays the current time. Shows accurate time and supports display format switching and fullscreen view.
Pomodoro Timer (www.oh-benri-tools.com)
A productivity timer for practicing the Pomodoro Technique. Freely configure work and break durations, with alarm sound notifications at each transition. Can also be used as an interval timer.
Repeat Timer (www.oh-benri-tools.com)
An online timer that automatically restarts when it reaches zero. Ideal for interval training or recurring task breaks, with alarm sound and fullscreen display support.
How Many Days Until Saturday?
An online tool that counts the remaining days until Saturday (or any day of the week). Also supports fullscreen display and image download.
Stopwatch (www.oh-benri-tools.com)
An online stopwatch for use in a browser. Supports start/stop with the spacebar, lap timing, and fullscreen display.
Time Formats for Copy (www.oh-benri-tools.com)
An online tool that displays the current date and time in over 8 formats — including YYYY/MM/DD, UNIX timestamp, and ISO 8601 — and lets you copy them with a single click. You can also specify any custom date and time.
Easy Timer (www.oh-benri-tools.com)
A simple online timer with one-click time setting. Choose from presets ranging from 30 seconds to 60 minutes, with adjustable alarm sound type and volume. Fullscreen display supported.
Background Generator (www.ruri.info)
Background generation tool for streaming. Choose from solid colors, gradients, or patterns, and freely customize colors, sizes, and opacity. The generated URL can be used as a browser source in OBS Studio.
まんまるテスト
Free tool that measures how perfectly round your hand-drawn circle is. Scores based on roundness, closedness, and 360-degree coverage. Use as a stream mini-game or as an OBS Studio browser source.
Click Speed Test (www.ruri.info)
Free click speed measurement tool. Choose from 10, 30, or 60 second durations and measure how fast you can click. Use as a mini-game in streams or as an OBS Studio browser source.
Digital Clock for Streaming (www.ruri.info)
Free digital clock generator for live streamers. Choose from 8 styles including gradient, color, neon, and bubble clocks, with customizable colors and animations. The generated URL can be used as a browser source in OBS Studio.
Streaming Counter (www.ruri.info)
Free customizable counter for live streamers. Adjust font, background shape, and colors, then use the generated URL as a browser source in OBS Studio. Control the count value in real time via OBS custom browser docks.
