Text / File Diff (www.oh-benri-tools.com)
An online tool for comparing two texts or files and displaying the differences clearly. Supports drag-and-drop file input, split view, and syntax highlighting.
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.
JSON Formatter (www.oh-benri-tools.com)
An online tool for formatting JSON data. Supports drag-and-drop file input and displays results in real time with line numbers and syntax highlighting. All processing is done in the browser.
Regex Checker (www.oh-benri-tools.com)
An online tool for testing JavaScript regular expression patterns in real time. Highlights matched portions and supports i/g/m flag toggling, with all processing done in the browser.
Unicode Converter (www.oh-benri-tools.com)
An online tool for converting text to and from Unicode escape format. Switch directions with a toggle and configure whether to include ASCII characters. Input content is not sent to the server.
URL Encode / Decode (www.oh-benri-tools.com)
An online tool for URL encoding and decoding text in real time. Switch between encoding and decoding with a toggle, and all processing is done in the browser.
XML Formatter (www.oh-benri-tools.com)
An online tool for formatting XML documents. Supports drag-and-drop file input and displays format results in real time. All processing is done in the browser, keeping your data private.
Kaki-no-Tane Ratio Simulator
An online tool for simulating the ratio of Kaki-no-Tane (rice crackers) to peanuts. Press buttons to adjust input amounts and check ratios in real time. Includes a feature to download the results as an image.
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.
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.
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.
