Calendar (www.oh-benri-tools.com)
An online calendar for viewing monthly or yearly views. Supports Japanese public holidays, customizable week start day, and fullscreen display. Choose from 1-month, 2-month, or yearly views.
Calculator Web (calc.onl.jp)
A simple calculator web app that runs in the browser. Supports basic arithmetic operations and is easily accessible from smartphones, tablets, and PCs.
Calculator (www.oh-benri-tools.com)
An online calculator for performing arithmetic calculations in a browser. Supports mouse or keyboard input, and multiple calculators can be used simultaneously. Also supports automatic sum and average calculation across multiple instances.
Business Day Calendar (toolpods.io)
Business day calendar considering Japanese public holidays. Check working days by month or week, and calculate the number of business days from a given date.
Bulk PNG/JPEG to WebP Converter (saruwakakun.com)
A browser-based bulk converter for PNG, JPEG, and GIF images to WebP format. Processed entirely locally with no server uploads. Converted images can be downloaded as a ZIP archive.
Bulk PNG to JPEG Converter (saruwakakun.com)
A browser-based bulk PNG-to-JPEG converter. Offers four quality levels, supports multiple files, and downloads results as a ZIP archive. Processed locally with no server uploads.
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.
Browser Information (www.piliapp.com)
An online tool that detects and displays detailed browser and system information including browser name, version, OS, screen resolution, plugins, and connection details.
Browser Info Web (browser.onl.jp)
A web tool to display information about your current browser, version, OS, and screen resolution. Useful for verifying browser compatibility and gathering details for support inquiries.
Brand Color × Text Color Generator (toolpods.io)
Generate an accessible text color palette based on your brand colors. Provides color combinations with sufficient contrast ratios for readability.
Braille ASCII Art Generator (lazesoftware.com)
Converts text or image files into ASCII art using braille characters. Supports multiple fonts, rotation, flipping, fill settings, and garbling prevention. Results can be copied to the clipboard or downloaded as a text file.
Box Shadow Generator (web-toolbox.dev)
Free tool for visually adjusting and generating CSS box-shadow values. Intuitively set offset, blur, spread, color, and inner/outer shadow, then copy the generated CSS code.