Line Break to br/p Tag Converter (tool.muzin.org)
A tool to convert line breaks in text into HTML `<br>` or `<p>` tags. Includes an option to prevent block elements (div, h1–h6, etc.) from being wrapped in `<p>` tags, streamlining HTML conversion tasks.
HTML Tag Character Replacement Tool (tool.muzin.org)
A tool to convert HTML special characters (<, >, &) and their entity references (<, >, &) bidirectionally. Useful for escaping/unescaping HTML tags to enable or disable them.
Excel Table to Text Tool (atl2.net)
A tool that converts Excel tables into plain text format suitable for pasting into emails. Supports 3-digit number separators, right alignment, and grid line display options. All processing is done client-side.
Flea Market Search (atl2.net)
A tool for simultaneously searching across multiple Japanese flea market apps including Mercari and Rakuma. Eliminates the need to visit each marketplace individually by aggregating search results in one place.
HTML Formatter For WEB (atl2.net)
A browser-based HTML formatting tool that also formats embedded JavaScript and CSS. Supports configurable indentation (tabs, 4-space, 2-space) and options for handling indentation within comments.
JSON Formatter FOR WEB (atl2.net)
A browser-based JSON parsing and formatting tool. Visually outputs formatted JSON along with type information and element length metrics. Supports configurable indentation (tabs, 4-space, 2-space).
Photo Sorter (atl2.net)
A tool for reordering photos via drag-and-drop and automatically updating their shooting date metadata to match the new order. Also supports sequential renaming and downloading. All processing is handled client-side for privacy.
Relationship Map (atl2.net)
A web tool for creating relationship diagrams. Register people's photos and names to build a visual relationship map. Useful for tracking children's social connections and organizing interpersonal relationships.
SQL Formatter For WEB (atl2.net)
A browser-based SQL formatting tool with extensive style options. Configure comma placement, AND/OR positioning, indentation style, JOIN formatting, and keyword casing. Features syntax highlighting via Ace editor. Maintained since 2006.
Video Player with Still Image (atl2.net)
A web tool for playing videos overlaid on a background image. Designed for exhibition and demo presentations, it supports drag-and-drop upload of background images and videos, with five positioning options for the video overlay.
Emoji List
A searchable emoji reference site with meanings and usage examples. Search by keyword to quickly find any emoji. Also shows how emojis appear across different platforms.
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.
