まんまるテスト
Free tool that measures how perfectly round your hand-drawn circle is. Scores based on roundness, closedness, and 360-degree coverage. Use as a stream mini-game or as an OBS Studio browser source.
システム構成図メーカー (toolpods.io)
Create flowcharts, sequence diagrams, class diagrams, and more using Mermaid syntax with real-time preview.
Zero Padding and Alignment Tool (boost-tool.com)
A free online tool to apply zero padding to numbers or strings, aligning them to a specified digit count. Useful for formatting numeric data in CSV files or lists.
Zalgo Text Converter (www.piliapp.com)
An online Zalgo text generator that adds glitchy, corrupted-looking Unicode combining characters to normal text. Create creepy or artistic text effects for social media.
YouTube/Twitch Comment Overlay (www.ruri.info)
Comment overlay customization tool for YouTube and Twitch livestreams. Choose from bubble, simple, outlined, and more styles with customizable colors and fonts. Apply the generated CSS to OBS Studio browser sources.
YouTube Thumbnail Downloader (web-toolbox.dev)
Free tool for downloading YouTube video thumbnails by entering the video URL. Download thumbnails in multiple sizes including maximum resolution and high quality.
YAML to JSON (web-toolbox.dev)
Free tool for converting YAML data to JSON format. Useful for config file format conversion and data transformation when integrating with APIs.
XML Formatter (web-toolbox.dev)
Free tool for formatting and minifying XML text. Format with unified indentation for readability or strip newlines and spaces to minify. Also detects syntax errors.
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.
World Time (www.piliapp.com)
An online world clock displaying current times in major cities and time zones worldwide. Compare times across different countries instantly for international scheduling.
World Clock (lazesoftware.com)
Displays the current local time in major cities around the world. Supports daylight saving time, up to 20 registered time zones, and automatically saves settings to the browser.
World Clock (toolpods.io)
Display the current time in locations around the world. Select time zones to compare time differences.
