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.
Character Counter (moji.onl.jp)
A web tool that counts characters, words, and lines in real time as you type. Useful for checking character limits on blog posts, social media, and other content.
Chat Web (chat.onl.jp)
A web app for real-time chat directly in the browser without account registration. Share a URL to start a conversation with multiple people instantly.
Checklist Web (list.onl.jp)
A web app to manage tasks and packing lists in a checklist format in the browser. Easily add, check off, and delete items as needed.
Clothes Manager Web (clothes.onl.jp)
A web app for managing your clothing collection online. Register items by type, color, and brand to digitize your wardrobe and plan outfits more easily.
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.
Compass Web (compass.onl.jp)
A digital compass web tool that uses your smartphone or tablet's orientation sensor to display the current direction in the browser. Check your bearings without installing any app.
Conversation Memo Web (talk.onl.jp)
A web app to record and manage conversation content in real time. Organizes and saves interview and meeting notes by speaker for easy reference.
Counter Web (count.onl.jp)
A simple web counter that supports count-up and count-down with just a button press. Useful for inventory tracking, headcounts, vote tallying, and many other purposes.
Date Calculator Web (calcdate.onl.jp)
A web tool to calculate the difference between two dates (in days, weeks, months, or years) or find the date after a specified number of days. Handy for checking days until birthdays, anniversaries, and deadlines.
Desu/Masu Converter (tone.onl.jp)
A web tool to convert Japanese text between polite (desu/masu) form and plain form. Useful for unifying the writing style of business documents and blog articles.
Dice Web (dice.onl.jp)
A web tool to roll dice in the browser. Roll one or multiple dice at a time, great for board games, tabletop RPGs, and other activities.
