Border Radius Generator (web-toolbox.dev)
Free tool for visually adjusting and generating CSS border-radius values. Set each corner individually and copy the generated CSS code directly.
Bookmarklet Button (www.piliapp.com)
An online tool to create bookmarklet buttons from JavaScript code. Convert any JavaScript snippet into a draggable bookmarklet link for quick browser access.
BMI Calculator (bmi.onl.jp)
A web tool to calculate BMI (Body Mass Index) from height and weight and determine obesity level. Also displays a guide to ideal weight for health management.
BMI Calculator (saruwakakun.com)
A BMI calculator that takes height and weight as input and rates your result across five levels from underweight to obese. Also shows your ideal weight and the gap to reach it.
BMI Calculator (www.oh-benri-tools.com)
An online tool that calculates BMI by dragging sliders for height and weight. Displays body type classification in real time, with an option to download the result as an image.
Bitcoin (bitcoin.onl.jp)
A web tool to check real-time Bitcoin (BTC) price charts. Displays prices in Japanese Yen and US Dollars, letting you monitor cryptocurrency price movements.
Bingo Machine (saruwakakun.com)
A free online bingo machine. Draws numbers in roulette style and saves them automatically. Fullscreen mode makes it perfect for parties, weddings, or projector displays.
Bingo Game (www.oh-benri-tools.com)
An online tool for conducting bingo game draws in a browser. Numbers are shuffled when you start, and drawn numbers are displayed. Pairs with the Bingo Card tool to enjoy the full game.
Bingo Card (www.oh-benri-tools.com)
An online tool for generating and using bingo cards in a browser. Click card numbers to mark them, and pair with the Bingo Game tool to play bingo.
Binary (Hex) Editor (www.oh-benri-tools.com)
An online tool for viewing and editing binary files in a browser. Load files by drag-and-drop, with support for byte addition, deletion, and hexadecimal editing. All processing is done in the browser.
Bill Splitter (warikan.onl.jp)
A web tool to equally split dining or party expenses among multiple people. Instantly calculates the amount per person including rounding, reducing the burden on the organizer.
Batch Image Resizer (boost-tool.com)
A free online tool to batch resize multiple images to a specified size. Supports aspect ratio preservation, with all converted images available for bulk download.
