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.
Character Code Web (char.onl.jp)
A web tool that displays Unicode code points, UTF-8 byte sequences, and HTML character references for any input character. Useful for investigating character encoding issues and verifying encodings.
Color Web (color.onl.jp)
A color picker web tool to select colors and convert them to HEX, RGB, HSL, and other color code formats. Useful for checking color palettes in web design and creative work.
Text Diff (diff.onl.jp)
A web tool to visually compare two pieces of text and highlight their differences. Additions, deletions, and changes are color-coded for quick review of what has changed.
JavaScript Minifier (jsmin.onl.jp)
A web tool to minify and compress JavaScript code in the browser. Removes whitespace and comments to reduce file size and improve website loading speed.
JSON Formatter (json.onl.jp)
A web tool that formats and prettifies minified or unformatted JSON data with a simple paste. Also useful for validating JSON syntax.
