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.
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.
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.
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.
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.
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.
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.
Calendar Web (calendar.onl.jp)
A simple calendar web app that runs in the browser. Supports monthly and weekly views, making it easy to check schedules and track dates.
Calligraphy Web (font.onl.jp)
A web tool to display and output text in a Japanese calligraphy (mouhitsu) brush font style. Useful for creating templates for noshi envelopes, New Year's cards, and calligraphy practice.
Camera Share Web (camera.onl.jp)
A web app to share real-time camera footage from a smartphone or PC through the browser. Start a video feed instantly just by sharing a URL.
Candlestick Alarm (lazesoftware.com)
Plays a notification sound whenever a candlestick closes on a stock or forex chart. Supports multiple timeframes from 10 seconds to 4 hours, five selectable notification sounds, and regular interval alerts.
Case Style Converter (lazesoftware.com)
Converts between space-separated, camelCase, PascalCase, snake_case, and kebab-case naming conventions. A developer utility for quickly switching identifier styles.
